Hash Length Reference

List digest lengths for common hash algorithms.

Runs locallyNo signupMobile readyCopyableFree

📏Hash Length Reference

All processing happens locally

Notes

Hash Length Reference is a digest length quick reference, everything is computed locally in your browser, so your input never reaches a server.

Paste or type your content and press the button; results can be copied in one click.

Paste or type your content into the input field at the top, or press the sample button to load demo data.
Adjust the options below the input, such as output format, separators, letter case or precision.
Press the main button to run the conversion. Results appear instantly in the output panel without a page reload.
When the result looks right, use the copy button in the corner, or download it as a local file.

Clean up stray spaces and line breaks before pasting for more accurate results.

Why is SHA-256 64 characters?+

It outputs 256 bits or 32 bytes, and each byte takes two hex characters, so 64 characters.

Is Hash Length Reference free to use?+

Yes. The tool is completely free with no usage limits, and you never need an account or a sign-in.

Is the text I enter uploaded anywhere?+

No. All processing runs locally in your browser, so the input never reaches a server and is never logged or stored.

Does Hash Length Reference work on a phone or tablet?+

Yes. The layout is mobile-first, so inputs and buttons stay comfortable on phones and tablets in both orientations.

Can I copy the result into my own document?+

Yes. A copy button in the output panel puts the result on your clipboard, and you can also download it as a text file.