How to use MD5sum
- Enter or paste your text into the input field to begin.
- Tune the Algorithm control before you process.
- Watch the output update instantly while you adjust the text.
- When it looks right, Copy to save it.
About this tool
There is no server behind MD5sum. MD5sum runs the hashing algorithm locally and shows the result instantly.
The same input always yields the same digest, which is useful for integrity checks. Your input never leaves the page, and no account or install is required.
Frequently asked questions
How do I use MD5sum?
MD5sum lets you process your input right in the browser using the Algorithm control, with the result shown instantly and nothing uploaded.
Does MD5sum cost anything?
No — MD5sum is completely free, with no sign-up and no hidden limits.
Does MD5sum upload my data?
No — MD5sum processes everything locally in your browser, so nothing you enter is uploaded or stored.
Are the hashes from MD5sum computed locally?
Yes. MD5sum computes the digest in your browser, so the text you hash never leaves your device.
Does MD5sum work offline?
Once the page has loaded, MD5sum keeps working with no network connection.