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Generate common Apache .htaccess snippets for HTTPS redirects, canonical hosts, SPA fallback, cache headers, compression, file protection, and custom errors.

Stamp page numbers onto every page of your PDF in the position and style you choose.

Estimate a comfortable purchase budget from income, debt, fixed costs, down payment, and financing assumptions.

Calculate exact age, total days lived, next birthday timing, and zodiac labels with Khmer animal cycle naming.

Measure the exact difference between two dates in years, months, and days.

Check if two words or phrases are anagrams of each other with a letter-by-letter frequency breakdown. For short words up to 8 letters, generates all possible anagram arrangements.

Convert square units for land, floor area, geometry, and property measurement.

Remove the background from any photo instantly in your browser. No upload, no server — powered by on-device AI.

Compare multiple bank deposit offers side by side using the same amount, term, tax, and compounding assumptions.

Identify the country of origin from any EAN-13, UPC-A, EAN-8, or ISBN barcode number using the GS1 prefix.

Generate EAN-13 and Code 128 barcode SVGs from digits or printable text with automatic check digit support.

Paste a Base64 image string or data URI, preview the decoded image, inspect MIME type and size, and download the image locally.

Generate BEM class names and sample HTML from a block, elements, and modifiers with single-dash or double-dash modifier conventions.

Apply a black and white or sepia look to common image formats.

Estimate BMI and a practical healthy weight range from height and weight.

Calculate your body fat percentage using the U.S. Navy tape measure method. Enter height, neck, waist, and (for women) hip measurements to get your result.

Count weekdays between two dates and separate business days from weekend days.

Estimate calories burned from workout time, body weight, and activity intensity.

Estimate Cambodia salary tax, net salary, payout split, bonus impact, and NSSF in one practical payroll calculator.

Toggle read, write, and execute permissions for owner, group, and others. Instantly see the octal code and symbolic notation, and copy the ready-to-run chmod command.

Flip a virtual coin and get a random heads or tails result.

See how any hex color looks under four types of color vision deficiency: protanopia (red-blind), deuteranopia (green-blind), tritanopia (blue-blind), and achromatopsia (full color blindness).

Blend two colors with a ratio slider and get the mixed result in HEX, RGB, and HSL. Includes a full gradient strip with clickable swatches to copy any stop.

Apply a custom tint color to common image formats.

Project how money grows with compound interest, regular contributions, and a year-by-year breakdown.

Reduce PDF file size by removing redundant objects and optimizing internal structures.

Track the days and hours left until a trip, deadline, birthday, or event.

Search any country by name, ISO code, or dial code to find its international calling code. Covers 200+ countries with flag emojis — click any row to copy the code.

Generate polished job cover letters from A4 templates with editable text, PDF, DOCX, and TXT export.

Build a professional CV or resume with 58 live A4 templates, PDF export, DOCX export, and reusable JSON save/load.

Validate credit card numbers using the Luhn algorithm. Detects card network (Visa, Mastercard, Amex, Discover, JCB, UnionPay) and verifies number length. For testing only.

View the latest crypto coin prices from the newest saved update.

Create CSS box shadows visually. Add multiple shadow layers with control over offset, blur, spread, color, opacity, and inset. Live preview and copy-ready CSS.

Generate CSS clip-path shapes visually. Pick from 16 presets (circle, polygon, star, arrow) or define a custom polygon and copy the ready CSS.

Visually build CSS flexbox layouts. Adjust all flex properties with a live preview and copy the generated CSS.

Create stunning gradient text for your website with a visual color picker. Choose colors, direction, and font size — get ready-to-use CSS background-clip text code.

Visually build CSS grid layouts with controls for tracks, gaps, item alignment, content alignment, live preview, and generated CSS.

Build simple CSS keyframe animations with transform and opacity presets, animation timing controls, live preview, and generated CSS.

Calculate the (a, b, c) specificity score for any CSS selector. Paste multiple selectors to compare and rank them. Includes a visual breakdown by IDs, classes, and elements.

Generate pure CSS triangles using the border trick. Choose from 8 directions (up, down, left, right, and all four corners), set custom width, height, and color, then copy the ready-to-use CSS.

Convert between CSS units: px, rem, em, vw, vh, pt, %, cm, mm, and inches. Configure your base font size and viewport width for accurate conversions. Click any result to copy it.

Convert across a wide global currency list with live Frankfurter reference rates.

Convert bits, bytes, KB, MB, GB, TB, and binary storage units in one practical data converter.

Measure the duration between two dates in days, weeks, and approximate months.

Pick any date and time and instantly see it in 20+ formats: ISO 8601, Unix timestamp, US, European, RFC 2822, long, short, 12h/24h, and more. Click any row to copy.

Generate delivery notes and packing slips with sender, recipient, and item details. Export to PDF or Excel.

Roll one or many dice with custom side counts and instant totals.

Combine multiple discounts and coupons to see the true final price and savings.

Convert common readable document types like PDF, Word, Excel, TXT, HTML, and Markdown.

Enter a file size and connection speed to instantly calculate how long a download will take. Supports B, KB, MB, GB, TB and Kbps, Mbps, Gbps. Includes common file and speed presets.

A 16-step, 4-track drum sequencer with synthesized kick, snare, hi-hat, and clap — all in your browser.

Generate editable 16-step drum grooves by genre with BPM, swing, density, complexity, playback, copy, and JSON export.

Design tuned 808 kicks with pitch drop, decay, drive, tone, glide, waveform preview, browser playback, and WAV export.

Practice rhythm timing with tap input, spacebar support, guide clicks, accuracy scoring, early/late feedback, and difficulty levels.

Create multi-bar drum loops by genre with arrangement labels, intensity controls, browser playback, and JSON export.

Generate 1-bar or 2-bar drum fills with style presets, tom movement, ending options, playback, and JSON export.

Design hi-hat rolls, accents, open hats, swing, velocity, and 1/16 or 1/32 patterns with browser playback and JSON export.

Design synthesized snare drums with body, snap, decay, tone, rimshot or clap layers, browser preview, and JSON export.

Generate auxiliary percussion grooves with shaker, tambourine, cowbell, rim, conga, style presets, swing, playback, and JSON export.

Mix generated drum stems with volume, pan, mute, solo, tone, bus drive, stereo width, preview playback, and JSON export.

Validate email addresses for correct syntax, detect disposable and temporary email providers, and identify free vs business domains. Bulk validation supported.

Browse, search, and copy any emoji to your clipboard. Organised by category with recent emoji history saved locally.

Create an official employment certificate letter confirming an employee's tenure and position. Export to PDF.

Show the current hour, minute, second, full date, week, and detected timezone.

Split a shared bill for friends or groups with tax, tip, weighted shares, and a simple settlement summary.

Generate a formal experience letter confirming an employee's role, tenure, and responsibilities. PDF export.

Extract specific pages from a PDF into a new document using a page range like 1-3, 5.

Create a realistic Facebook Messenger conversation for mockups, demos, and presentations.

Create a realistic Facebook post preview with reactions, comments, shares, and feeling/location tags.

Design a Facebook story card with a gradient background and text overlay for screenshots.

Generate random but realistic fake addresses for testing and mock data. Includes name, street, city, zip code, phone, and email. Supports US, UK, Canada, Australia, and Germany.

Create a favicon from emoji or text initials and download it as a PNG. Perfect for quickly generating a website icon without graphic design tools.

Generate the Fibonacci sequence up to 100 terms with exact BigInt values. Look up any nth term and watch the golden ratio converge to φ = 1.618…

Drop any file to compute its MD5, SHA-1, SHA-256, and SHA-512 checksums in your browser. Paste an expected hash to verify file integrity. Files never leave your device.

Project deposit growth, payout income, tax drag, top-ups, and renewals across multiple savings strategies.

Convert decimals to fractions, fractions to decimals, simplify fractions, and work with mixed numbers in the browser.

Estimate fuel usage and trip cost from car model, trip distance, fuel price, and L/100km consumption.

Find the greatest common divisor and least common multiple of two or more integers. Includes step-by-step Euclidean algorithm for two-number inputs.

Click your tech stack to generate a ready-to-use .gitignore file. Covers 30+ templates: Node, React, Python, Java, Go, Rust, Flutter, Docker, VS Code, macOS, and more.

Convert gold weight units like tael, chi, hun, li, ounce, kilogram, and gram.

Estimate gold investment returns in tael and grams with spread, storage cost, and current value assumptions.

View a Price KH style gold board from stored data snapshots.

Calculate your cumulative GPA on a 4.0 scale from course grades and credit hours. Supports letter grades and percentage grades.

Compare buying versus renting with mortgage costs, rent growth, home appreciation, and investing assumptions.

Write HTML, CSS, and JavaScript in the browser and see the result render live in a sandboxed preview pane. No setup needed.

Encode special characters to HTML entities (&, <, >, ") or decode named and numeric entities back to readable text. Includes a reference of common entities.

Paste HTML and get clean React JSX instantly. Converts class→className, for→htmlFor, inline style strings to objects, self-closing void tags, comments, and 15+ other attribute renames.

Convert HTML to clean, readable Markdown instantly. Handles headings, lists, tables, links, images, blockquotes, and code blocks. Great for READMEs and docs.

Estimate a reference ideal weight and a simple surrounding range from height.

Convert popular image formats like PNG, JPG, GIF, and BMP in one quick tool.

Crop any image to a custom selection or a preset aspect ratio. Drag to select, resize with corner handles, and download the cropped PNG.

View hidden metadata from JPEG photos — camera make/model, GPS coordinates, shutter speed, aperture, ISO, timestamps, and more. Files never leave your browser.

Flip any image horizontally or vertically, or rotate it by 90° steps. Download the result as a PNG with one click.

Inspect the raw bytes of any image as a formatted hex dump.

Resize any image by pixels or percentage directly in your browser. Lock aspect ratio, choose JPEG/PNG output, and adjust quality. Includes social media presets.

Convert an image into a JavaScript byte array for code embedding.

Convert an image into a data URI string for HTML, CSS, or email use.

Combine multiple images (PNG, JPG, GIF) into a single PDF, one image per A4 page.

Simulate an iPhone iMessage conversation with blue and gray bubbles for screenshots and mockups.

Calculate how the value of money changes over time due to inflation. Enter an amount, start and end years, and an annual inflation rate to see the equivalent purchasing power year by year.

Draft a stronger Instagram bio with a live profile preview, 150-character check, CTA review, and copy-ready output.

Turn a hook, bullet points, and CTA into swipe-ready Instagram carousel slides with PNG export.

Write Instagram captions by tone, clean hashtag groups, detect duplicates, track length, and copy final post text.

Build a fake Instagram Direct Message conversation for mockups, demos, and presentations.

Generate an Instagram posting calendar with formats, hooks, CTAs, goals, and CSV export.

Paste giveaway comments or handles, filter by keyword, remove duplicates, randomly pick winners, and export CSV.

Upload images, reorder posts, switch crop mode, and preview how your Instagram profile grid will look before publishing.

Calculate Instagram engagement, save, share, profile visit, and follower conversion rates from manual metrics.

Design circular Instagram highlight covers with icons, labels, palettes, story-ring preview, and PNG export.

Create a simple link-in-bio landing page preview with profile text, buttons, themes, PNG export, and copyable HTML.

Create a realistic Instagram post preview with caption, hashtags, gradient image, and engagement metrics.

Crop a profile picture for Instagram with circle preview, zoom, position controls, multi-size checks, and PNG export.

Generate Reel hooks, shot lists, captions, and CTA ideas from a topic, audience, outcome, and content angle.

Upload a story design and overlay top UI, reply box, caption collision, and safe content zones before export.

Design an Instagram story card with a custom gradient background and text overlay.

Measure ping, download speed, and upload speed directly against the site backend.

Create invoices or receipts with line items and export them to Excel or PDF.

Run small JavaScript snippets locally in a browser Web Worker and inspect captured console output with timeout protection.

Press any key or combination to see its key name, code, keyCode, and modifier breakdown. Keeps a history of the last 50 keys pressed. Great for debugging hotkeys.

Write a formal leave request letter to your manager for annual, sick, maternity, or other leave types.

Convert meter, kilometer, centimeter, millimeter, mile, yard, foot, and inch in one clean tool.

Shuffle names, tasks, teams, ideas, or any list into a random order.

Paste a column of values and instantly get a WHERE id IN (...) clause. Supports numbers and auto-quoted strings, custom column name, and optional WHERE prefix.

Generate a full month-by-month loan amortization table. See principal, interest, and remaining balance for every payment. Supports any loan amount, rate, and term.

Model mortgages, car loans, business loans, and bridge loans with cash-flow, fee, and payoff analysis.

Generate placeholder Lorem Ipsum text by paragraphs, sentences, or words. Choose quantity, start with the classic opening, or wrap in HTML paragraph tags.

Build Markdown tables visually with an editable grid. Add/remove rows and columns, set per-column alignment, and copy the formatted Markdown or HTML.

Pick a meeting time and see the equivalent local time across multiple cities.

Create memes instantly. Upload any image or pick a popular template, add top and bottom text, and download your meme as a PNG. No watermarks.

Combine multiple PDF files into a single document in the order you choose.

A sample-accurate browser metronome with BPM slider, tap tempo, time signature, and visual beat indicator.

Plan monthly income, spending categories, and projected savings with Excel and PDF export.

Track planned versus actual monthly expenses and export the sheet to Excel or PDF.

Translate text to Morse code or decode Morse code back to text. Includes audio playback of the beeps.

Type any text and instantly see it spelled out using the NATO phonetic alphabet (Alpha, Bravo, Charlie...). Includes digits, symbols, and a full reference table with pronunciation guides.

Generate white, pink, or brown noise — or pick a soundscape like rain, wind, or river for focus and sleep.

Enter any number and instantly see it formatted in 18+ ways: US commas, European dots, Indian system, scientific notation, currency (USD/EUR/GBP/JPY), abbreviated (1.2M), binary, hex, and more.

Convert any number into English words. Useful for writing checks, invoices, and formal documents.

Generate complete Open Graph and Twitter Card meta tags for SEO and social media sharing previews.

Check if a word, phrase, or number is a palindrome. Shows the cleaned string and a per-character match breakdown. Includes famous palindrome examples.

Generate secure, memorable passphrases from a pool of common words with customizable separators and length.

Generate a strong random password with custom length and character settings.

Check the strength of any password locally in your browser. See entropy score, estimated crack time, and specific improvement tips. Never sent to a server.

Create formal payment receipts with payer, payee, amount, payment method, and transaction reference. Export to PDF.

Create payment slips for bank transfers, cash deposits, mobile payments, and internal payment records. Export to PDF or Excel.

Convert each page of a PDF into a PNG or JPG image, bundled in a ZIP download.

Three calculators in one: percent error (experimental vs theoretical), percent change (old vs new value), and percent difference (two values without a reference). Each shows the formula and result.

Solve percent of a value, percentage change, and reverse percentage problems quickly.

See current conditions and a weekly forecast in a quick, easy-to-read view.

Run focus sessions and break cycles with a clean browser-based productivity timer.

Convert pressure units like Pa, kPa, bar, psi, atm, mmHg, and more.

Break any positive integer into its prime factors. Shows exponent form (360 = 2³ × 3² × 5), step-by-step division, and all divisors with primes highlighted.

Compare markup and margin to price products more clearly.

Create a formal promotion letter for an employee with new title, salary, and responsibilities. PDF export.

Generate QR codes for links, text, phone numbers, Wi-Fi, and more with instant preview and download.

Solve ax² + bx + c = 0 for real and complex roots. Shows the discriminant, vertex, axis of symmetry, y-intercept, and full step-by-step working using the quadratic formula.

Create professional sales quotations with itemized pricing, tax, discount, and multi-currency support. Export to PDF or Excel.

Generate structurally valid random IBANs for 65+ countries using the ISO 7064 mod97 algorithm. Perfect for testing and demos.

Generate random first names, last names, or full names from Western, Japanese, Spanish, Arabic, Chinese, or Fantasy name pools. Choose gender and quantity.

Generate one or many random integers inside a custom minimum and maximum range.

Discover inspiring quotes from history's greatest thinkers. Filter by category: motivation, wisdom, success, happiness, leadership, creativity, and more.

Calculate Flesch-Kincaid, Gunning Fog, SMOG, and ARI readability scores for any text. Includes grade level, reading time, and full text statistics.

Paste any text to instantly estimate reading time, word count, sentence count, and character count.

Scale ingredients up or down by servings for cooking and meal prep.

Write a professional letter of recommendation for an employee with live preview and PDF export.

Write a professional character or employment reference letter with live preview and PDF export.

Create a polished resignation letter or notice letter template with A4 preview, editable text, PDF, DOCX, and TXT export.

Convert between Arabic numbers and Roman numerals instantly. Supports the full range from 1 to 3999.

Encode or decode text with ROT13 or a custom Caesar cipher shift (1–25). Non-alphabetic characters are preserved. Instantly copy the result.

Rotate all pages or specific pages of a PDF by 90°, 180°, or 270°.

Generate a formal salary certificate letter with company letterhead, employee details, and monthly salary. Export to PDF.

Convert yearly, monthly, weekly, daily, hourly, minute, and second pay rates instantly.

Calculate US sales tax, total price, and pre-tax price from a receipt total.

See how quickly a savings plan reaches the target and what monthly amount is required to stay on schedule.

Pick any color from your screen using the browser Eye Dropper API. Instantly get HEX, RGB, and HSL values with WCAG contrast check and color history.

Instantly see your screen resolution, viewport size, device pixel ratio, color depth, CPU cores, device memory, and browser info. All data is read locally — nothing sent to a server.

Draw a handwritten digital signature with your mouse or finger. Customise pen color and size, then download as a transparent PNG.

Plan bedtimes around 90-minute sleep cycles for a cleaner wake-up routine.

Count characters for Twitter, Instagram, LinkedIn, TikTok, YouTube, and SMS limits. Color-coded progress bars show remaining characters for 12 platform limits.

Click the microphone and speak — your words appear in real time using the browser Web Speech API. Supports 13 languages. 100% private, nothing sent to a server.

Convert km/h, mph, m/s, knots, Mach, and more for travel, engineering, and science.

Split a PDF into individual pages or extract a specific page range into a new file.

Calculate network address, broadcast, IP range, subnet mask, and usable hosts from any IP/CIDR notation.

Convert pasted SVG markup into a CSS-ready data URI, CSS background-image declaration, or HTML img src snippet.

Paste any HEX or color name and instantly find the closest Tailwind CSS color class. Browse all 22 color families and 264 shades, click any swatch to copy the class name.

Calculate Total Daily Energy Expenditure from your weight, height, age, gender, and activity level using the Mifflin-St Jeor formula. Includes macros.

Convert Celsius, Fahrenheit, Kelvin, Rankine, and more with formula-based precision.

Convert text into uppercase, lowercase, title case, or sentence case instantly.

Repeat any text up to 10,000 times with a custom separator — none, space, newline, comma, pipe, or custom. Instant output with one-click copy.

Convert any text to binary (01001000...) or decode binary back to readable text. Supports space, comma, and no-separator formats. Shows a character table with decimal, hex, and binary values.

Convert any text to speech instantly using your browser's built-in voices. Adjust speed, pitch, and volume. No upload or sign-up required.

Convert from milliseconds to centuries with practical and technical duration units.

Convert a specific date and time from one timezone to multiple target timezones with DST applied automatically.

Calculate service tip, total bill, and per-person split in one quick screen.

Generate a pure sine, triangle, square, or sawtooth tone at any frequency from 20 Hz to 20 kHz with stereo pan.

Tune guitar, bass, ukulele, or violin from your microphone with live pitch detection, cents meter, input level, and target string presets.

Upload audio, inspect the waveform, set precise start and end times, preview the selection, and export the trimmed clip as a WAV file.

Find tempo by tapping the beat or uploading audio for beat-envelope analysis with detected BPM, confidence, and peak counts.

Analyze microphone or uploaded audio with a live spectrogram, spectrum bars, and real-time peak frequency readout.

Generate left-right binaural beat sessions with carrier frequency, beat frequency, volume, timer, and focus/sleep/meditation presets.

Record microphone audio in your browser with pause and resume, live waveform, playback preview, and downloadable WebM or OGG output.

Convert browser-decodable audio to 16-bit WAV with sample-rate selection, mono/stereo output, source preview, and optional peak normalization.

Create karaoke-style instrumental tracks or vocal-focus references from stereo audio with center-channel processing and WAV export.

Upload multiple audio clips, reorder them, add silence gaps and edge fades, preview the result, and export one merged WAV file.

Build a local browser soundboard with up to 16 audio pads, keyboard shortcuts, per-pad volume, loop mode, and config export.

Track AI headlines and discovery signals from the cached trend feed.

See popular bought items from the cached public commerce trend feed.

Browse popular game picks from the cached public trends feed.

Browse cached top news headlines from the latest public trend feed.

See currently trending software and apps from cached ranking feeds.

See the latest cached song chart items in a lightweight public list.

Create a realistic Twitter/X post card with engagement metrics, verified badge, and custom avatar.

Estimate your Twitter/X Creator Ads revenue based on monthly impressions and RPM rate.

Measure your typing speed in Words Per Minute (WPM) and accuracy. 8 built-in passages. No sign-up required.

Compare price per gram, liter, item, or pack to spot the better value quickly.

Remove the password from a password-protected PDF you own. Enter the password to decrypt.

Paste any URL to instantly break it down into protocol, hostname, port, path, query parameters (shown as a table), and fragment. Click any field to copy its value.

Turn long URLs into shorter shareable links from one simple public tool.

Add VAT to a price or extract VAT from a total. Supports country rate presets, multi-currency, and multi-item invoices.

Play a fully polyphonic piano in your browser. Use your mouse, touch, or keyboard. Choose from 4 waveforms with no plugins required.

Convert liters, milliliters, cups, gallons, pints, quarts, cubic units, and more.

Track warranties, expiry dates, and renewals in one simple list.

Calculate waist-to-hip ratio with male and female risk categories from waist and hip measurements.

Calculate waist-to-height ratio from waist and height measurements with simple health-range guidance.

Estimate daily protein needs from body weight, sex, goal, activity level, and diet preference.

Estimate one-rep max and training percentages from weight lifted and reps completed.

Estimate calories burned from steps using weight, height, sex, walking pace, and step count.

Calculate daily calories plus protein, carbs, and fat targets for fat loss, maintenance, or muscle gain.

Estimate max heart rate and training zones using age, resting heart rate, and either Karvonen or percent-max formulas.

Estimate blood alcohol concentration from body weight, sex, drink count, alcohol strength, and time since drinking started.

Estimate a practical daily hydration target from weight, activity, and weather.

Add a diagonal text watermark to every page of your PDF with adjustable opacity and angle.

Find the ISO week number for any date, or look up which dates fall in a given week. Also shows day of year, quarter, and days remaining in the year.

Convert between metric, imperial, jewelry, and industrial weight units in one precise tool.

Create a realistic WhatsApp conversation with green chat bubbles, double ticks, and status labels.

Add choices and pick one at random for decisions, games, or team selection.

Analyze word frequency and keyword density in any text. Filter stop words, sort by count, and export the results for SEO and content audits.

Track key city clocks for trading, team coordination, and daily planning.

Generate a quick random yes or no answer for simple decisions.

Convert Markdown to HTML instantly. Supports headers, bold, italic, inline code, code blocks, lists, links, images, blockquotes, and horizontal rules. Toggle between live preview and raw HTML source.

Generate fancy Unicode text in 15+ styles: bold, italic, bold italic, script, bold script, fraktur, double-struck, monospace, circled, fullwidth, strikethrough, and more. Copy and paste into any platform.

Convert text to leet speak (l33t sp34k / 1337) or decode leet back to English. Three intensity levels: basic, mid, and full elite. Reference table shows all letter substitutions.

Generate a multiplication (times) table from 1×1 up to 20×20. Hover any cell to highlight its row and column. Click a cell to see the multiplication fact. Copy the entire table as tab-separated values.

Convert any IPv4 address between dotted decimal, decimal integer, hexadecimal, dotted hex, 32-bit binary, and dotted binary. Also identifies IP class (A/B/C/D/E) and type (private, loopback, public, etc.).

Generate custom placeholder images with any width, height, background color, text color, and label. Download as SVG or PNG, or copy as a data URI or HTML img tag. Great for mockups and prototypes.

Calculate Equated Monthly Installment (EMI) for any loan. Shows monthly payment, total interest, total payment amount, and a full month-by-month amortization schedule.

Encrypt or decrypt text using the classical Vigenère cipher. Enter any keyword and message — each letter is shifted by the corresponding keyword letter. Includes a key-shift visualizer and Vigenère square.

Enter any two of Voltage (V), Current (I), and Resistance (R) to solve for all four values including Power (P). Supports mV/V/kV, μA/mA/A, mΩ/Ω/kΩ/MΩ, and mW/W/kW units.

Calculate return on investment (ROI), net profit, and annualized return (CAGR). Compare multiple investment scenarios side by side with an interactive table.

Calculate your break-even point in units and revenue. Enter fixed costs, variable cost per unit, and selling price to see the contribution margin, margin ratio, and a profit/loss table at different sales volumes.

Solve any triangle by entering any 3 known values (sides a/b/c and angles A/B/C). Uses the Law of Sines and Law of Cosines. Shows all 6 values, area, perimeter, triangle type, and an SVG preview.

Sort lines of text alphabetically (A→Z or Z→A), by length, in reverse, or shuffle randomly. Options to remove duplicates, remove empty lines, and trim whitespace.

Perform matrix operations on 2×2 or 3×3 matrices: addition, subtraction, multiplication, determinant, transpose, and inverse. Handles singular matrix detection.

Calculate the future value of an investment with optional recurring monthly contributions. Supports annual, semi-annual, quarterly, monthly, and daily compounding. Shows a year-by-year growth table.

Convert English text to Grade 1 Braille Unicode characters and decode Braille back to text. Supports letters A–Z, digits 0–9, capital indicator, number indicator, and common punctuation.

Calculate nPr (permutations) and nCr (combinations) for any n and r up to 30. Shows step-by-step factorial breakdown and highlights the result in Pascal's triangle.

Scramble the letters in every word of your text. Three modes: full letter scramble, Typoglycemia mode (keeps first and last letter — text still readable!), or shuffle word order.

Translate English text to Pig Latin or decode it back to English. Handles consonant clusters, vowel-start words, capitalisation, and punctuation correctly.

Enter any two of speed, distance, and time to calculate the third using d = s × t. Supports km/h, mph, m/s, knots, km, miles, meters, seconds, minutes, hours, and days.

Encode username and password into a Base64 Authorization: Basic header, or decode an existing token back to plain credentials. Runs entirely in the browser.

Create smooth, layered wave SVG dividers for website sections. Control amplitude, frequency, and layer colors, then export as SVG or copy the CSS background.

Look up publicly logged SSL/TLS certificates for any domain via Certificate Transparency logs. Check expiry dates, issuers, SANs, and certificate history.

Log daily clock-in and clock-out times to calculate total hours worked, daily and weekly overtime, and optional pay breakdown with configurable OT multiplier.

Generate random English words from curated noun, verb, and adjective lists. Choose count, category, separator, and capitalisation for brainstorming and test data.

Generate color palettes based on classical color theory. Explore complementary, analogous, triadic, tetradic, split-complementary, and monochromatic schemes from any base color.

Layer multiple radial color spots to create rich, organic mesh gradients. Configure each point's position, size, and color, then copy pure CSS output.

Compare up to 3 loan scenarios side by side. See monthly payments, total interest paid, and which deal costs least over the full term.

Count syllables in any English text. See per-word breakdown, distribution chart, complexity score, and a built-in haiku line checker.

Decode barcodes and QR codes from uploaded images or your device camera. Supports QR Code, EAN-13, Code 128, UPC, PDF417, and more — all in-browser via the BarcodeDetector API.

Tune brightness, contrast, saturation, hue-rotate, blur, grayscale, sepia, and more with live sliders. Upload your own image and copy the CSS filter property.

Compare two strings with Levenshtein edit distance, Jaro-Winkler similarity, and LCS matching. See a word-level diff highlighting exactly what changed.

Convert between Annual Percentage Rate (APR) and Annual Percentage Yield (APY) for any compounding frequency. See daily, monthly, and annual rate breakdowns.

Build a typographic scale from a base size and musical ratio. Export CSS custom properties or a Tailwind config for consistent UI type hierarchy.

Design a CSS button visually — colors, hover state, padding, border-radius, shadow, and typography. Live hover preview and copy CSS + HTML output.

Convert between cups, tablespoons, teaspoons, fluid ounces, milliliters, grams, and more. Includes ingredient-specific volume-to-weight conversions for flour, sugar, butter, and common pantry staples.

Convert any number between standard notation, scientific notation (e.g. 3.00 × 10^8), E-notation, and engineering notation. Adjust significant figures on the fly.

Paste any semantic version and instantly see what the next major, minor, patch, and pre-release tags look like. Follows semver.org rules.

Automatically insert relevant emojis next to keywords in your text. Great for social media captions, messages, and posts. Adjust intensity from subtle to emoji-everywhere.

Build colorful gradient borders for any HTML element. Choose colors, angle, border width, and border-radius — then copy production-ready CSS using border-image or ::before pseudo-element techniques.

Convert clothing and shoe sizes between US, UK, EU, French, Italian, Japanese, and Australian standards. Covers tops, women's dresses, men's and women's shoes, and bra band sizes.

Convert oven temperatures between Celsius, Fahrenheit, Gas Mark, and fan oven settings instantly. Includes a full Gas Mark reference table for UK recipes.

Get the perfect coffee-to-water ratio for pour over, French press, drip, AeroPress, cold brew, espresso, and more. Enter water amount or number of cups.

Find the best baking substitutes for butter, eggs, buttermilk, flour, sugar, and more — with exact amounts and tips for every swap.

Safe internal cooking temperatures for beef, chicken, pork, fish, and eggs. Enter a probe reading to instantly identify the doneness level.

Calculate baker's percentages for any bread recipe. Enter flour, water, salt, yeast, and levain weights to get hydration, salt%, and total dough weight.

How long does food last? Fridge, freezer, and pantry shelf life for 40+ common foods — meat, dairy, fruits, vegetables, cooked food, and pantry staples.

Interactive timer for perfectly boiled eggs. Choose runny, jammy, medium, or hard — start the countdown with a live progress ring and tips.

Convert raw/dry ingredient weights to cooked yields and back. Covers pasta, rice, beans, lentils, oats, quinoa, meat, and spinach.

Decode laundry and care label symbols. Search any care symbol to find out exactly what it means, plus a guide to fabric care by material type.

Find your bra size from underbust and bust measurements. Includes US, UK, EU, and sister size chart for when your exact size is unavailable.

Convert ring sizes between US, UK, EU, and Japanese standards. Enter diameter or circumference in mm to find your size across all systems.

Full breakdown of every dress code — white tie, black tie, cocktail, smart casual, business casual, and more. What to wear and what to avoid.

Step-by-step instructions for measuring bust, waist, hips, inseam, sleeve, and all key body measurements. Enter your numbers for an approximate clothing size.

Interactive checklist for building a complete capsule wardrobe. Women's, men's, and minimalist 30-piece editions. Check off what you already own.

Never over-pack or under-pack again. Enter trip length and occasions to get an exact clothing count with a copyable packing list.

Discover your seasonal colour palette — Spring, Summer, Autumn, or Winter. Answer 5 questions to get personalised colour recommendations for your wardrobe.

Pick a base colour and pairing scheme to discover what colours go together in your outfit. Colour wheel combinations including complementary, analogous, and triadic.

Generate a basic mock request or response object.

Send real HTTP requests from your browser. Configure method, URL, headers, auth, and body — inspect the live response with status, timing, and headers.

Generate quick markup and an SVG concept for an Apple touch icon.

Convert nested YAML and flat properties both ways.

Turn plain text into a simple blocky ASCII banner.

Calculate aspect ratios and derive missing width or height values.

Convert numbers between Decimal, Binary, Octal, and Hex, or convert text to and from binary representation.

Encode or decode Base64 text with UTF-8 support.

Apply bionic reading to text by bolding the first letters of each word for faster, focused reading.

Estimate basal metabolic rate from sex, weight, height, and age.

Generate custom CSS border-radius values for asymmetrical shapes.

Generate CSS box-shadow values from a compact config.

Show the current browser language and language preference order.

Convert text into a bubble-character style.

Convert text into common naming conventions.

Turn code snippets into beautiful shareable images. Pick a theme, background, padding, and style — export as a high-resolution PNG directly in your browser.

Minify HTML, CSS, and JavaScript in one browser-only tool with original size, minified size, and saved percentage.

Find the closest named reference color for a HEX or RGB input.

Generate a multi-color palette from one base color.

Convert colors between HEX, RGB, and HSL for fast picking and inspection.

Generate progressive tints and shades from a base color.

Check WCAG contrast ratios between foreground and background colors.

Break a cron expression into readable parts.

Generate a cron expression from a simple JSON config or fallback defaults.

Generate clean CSS gradients from a small color config.

Generate a clean CSS text-shadow declaration from a small config.

Build cURL commands visually. Set method, URL, headers, query params, auth, and body — get a ready-to-run cURL command.

Convert a cURL command into a Dart Dio request snippet for Flutter apps.

Convert a cURL command into a Java HttpClient snippet.

Convert a cURL command into a Postman collection snippet for API testing.

Track multiple stock or crypto buys at different prices and fees. See total quantity, average cost per unit, current value, and profit or loss.

Check DNS records across Google DNS, Cloudflare, and your server simultaneously. Compare results and spot propagation discrepancies in real time.

Check whether a recursive resolver validates a domain's DNSSEC chain.

Generate a polished HTML email signature from simple profile details.

Suggest practical font pairings for modern, editorial, minimal, or bold directions.

Generate reusable glassmorphism CSS from blur and tint settings.

Generate MD5 or SHA256 hashes from input text.

Indent and clean up HTML markup.

Parse raw HTTP headers into structured JSON.

Quick reference for common HTTP status codes.

Upload any image and click any pixel to get its HEX, RGB, and HSL color values. A magnifier loupe aids precision and a dominant color palette is auto-extracted.

Compress images to JPG, WebP, or PNG in your browser. Adjust quality with a slider, see before and after file sizes, and download the result instantly.

Look up geolocation, ISP, and network details for any IP address. Leave blank to look up your own IP.

Generate a Java DTO skeleton from JSON.

Generate a simple Java entity field block from JSON.

Generate a JPA-style entity skeleton from JSON.

Convert JSON to CSV or CSV to JSON with header, delimiter, and pretty/minified output controls.

Escape plain text for JSON strings or unescape back to readable text.

Pretty-print JSON with readable indentation.

Remove unnecessary whitespace from JSON.

Sort JSON keys alphabetically.

Generate C# classes from JSON.

Generate an advanced Dart model from JSON with null safety, parsing helpers, package modes, enums, and more.

Generate advanced Flutter models with Freezed, json_serializable, Equatable, copyWith, fromList, defaults, enums, and response wrapper detection.

Transform JSON into production-ready Go structs.

Turn JSON arrays into clean HTML tables.

Generate Java POJO classes from JSON.

Generate Kotlin data classes from JSON.

Generate MongoDB insert queries from JSON.

Convert JSON to Mongoose schema and model.

Convert JSON into clean PHP array syntax.

Generate Pydantic models or Python dataclasses from JSON.

Convert JSON rows into SQL INSERT statements.

Generate Swift Codable models from JSON.

Convert JSON config into minimal TOML format.

Convert JSON to token-optimized format for AI prompts.

Generate TypeScript interfaces from JSON.

Convert between JSON and a common YAML structure.

Generate Zod validation schemas from JSON. Includes the inferred TypeScript type via z.infer.

Validate JSON syntax and show a clear status.

Decode JWT header and payload for inspection.

Generate a simple JWT-style token for local testing and mock API workflows.

Count letters, digits, spaces, special characters, and unique letters in any text.

Sort, deduplicate, trim, shuffle, number, and clean text lists instantly in the browser.

Estimate monthly payment, total paid, and total interest from a simple loan config.

Generate localStorage or SharedPreferences mock setup code.

Generate a Lombok-powered Java class from JSON fields.

Write Markdown and see the live rendered preview side by side. Copy the generated HTML output.

Wrap text in a simple banner block for messages and bios.

Inspect title, description, canonical, robots, Open Graph, and Twitter Card meta tags for any URL. Get actionable SEO audit warnings instantly.

Show the public IP address detected for the current browser connection.

Generate a MyBatis ResultMap from JSON keys.

Generate soft-shadow neumorphism CSS from a base surface color.

Turn an email address into safer display text and HTML entity output.

Browser-only notepad with local auto-save, multiple notes, TXT and Markdown export, and TXT import.

Measure approximate browser-to-backend latency from the current connection.

Turn key-value input into a query string.

Test regular expressions against source text.

Inspect the headers the current browser sends to Alexonic Tools.

Convert sizes between px, vw, and rem for responsive layouts.

Build a robots.txt file with user-agent rules, allow/disallow paths, crawl-delay, and sitemap URLs. Download the ready-to-use file.

Generate sample REST response payloads from a quick schema hint.

Generate JSON-LD structured data for Article, FAQ, Breadcrumb, Product, Organization, WebSite, and LocalBusiness schemas.

Calculate expressions with sin, cos, tan, log, ln, sqrt, power, π, e, and parentheses. Type or click buttons — keyboard friendly.

Record a tab, window, or screen in your browser with optional microphone audio, preview playback, and WebM download.

Convert titles and phrases into clean URL slugs. Choose separator (hyphen, underscore, dot), remove stop words, and cap the length for SEO-optimal permalinks.

Convert text into a smallcaps-like Unicode style.

Decorate text with stylized smileys and icon-heavy variants.

Generate Open Graph and Twitter meta tags for pages and campaigns.

Generate a simple Spring REST controller template.

Format SQL into an advanced readable layout with clauses, joins, comma lists, and conditions split cleanly.

Collapse SQL into a compact single line.

Compute count, sum, min, max, mean, median, mode, range, variance, and standard deviation from a list of numbers.

Hide or reveal text using zero-width characters in visible text.

Start, pause, reset, save lap splits, and copy or export lap times as CSV.

Apply a strikethrough effect to plain text for social posts and messages.

Trim, slugify, camel-case, or snake-case text with one simple tool.

Generate a simple Sudoku puzzle and solution with adjustable blank count.

Generate SVG paths for simple waves or blob-like decorative shapes.

Compare two blocks of text line by line.

Reverse text instantly for quick inspection or playful content transforms.