Is this tool free to use?

Yes. Every public Alexonic tool is completely free to use with no charge.

Do I need an account?

No account is required for public tools. Some private/admin features may be separate from the public site.

Can I use this tool for work?

Yes, but verify important results before using them in production, payroll, finance, tax, or business decisions.

Do you save my tool data?

No. We do not save your tool inputs or generated results. We value customer privacy, but you should still avoid entering sensitive personal, banking, password, customer, or confidential business data into public web tools.

How can I report an issue or request a tool?

Send feedback to the developer if you see an issue, need a new tool, or require an update. We continue building and fixing each day.

Image bytes

Image to Byte Array

Read an image locally and turn the bytes into a JavaScript-friendly snippet.

Local file readByte previewJS snippet

Latest snapshot

Byte array output

The image is read locally in your browser and exported as a JavaScript byte array snippet.

Upload and convert

Upload your file

The image is read locally in your browser and exported as a JavaScript byte array snippet.

Choose filePNG, JPG, GIF, BMP, WEBP

Selected fileNo file selected yet

application/octet-stream • -

Byte array output

Copy the generated array or download it as a .js file.

Output formatJavaScript bytes

Length-

Byte count-

Image preview

Upload an image to inspect the byte array and preview the source image.

Related tools

Image tools

Image to Data URI

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

Image tools

Image Hex Dump

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

Converters

Base64 Encode / Decode

Encode or decode Base64 text with UTF-8 support.

Converters

Data Converter

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

Help & answers

Frequently Asked Questions

Important disclaimer: Alexonic Tools is completely free to use. There is no charge, and we do not save tool inputs or generated results. We value customer privacy and keep building and fixing each day. Always verify important financial, payroll, legal, tax, business, or production-code results before relying on them. If you see an issue, need a tool, or require an update, send feedback to the developer.