Back
SHA-1 hash
Crypto and hashing
Loading
Loading tool
Preparing the tool. The remaining time is not yet known.
All processing for this tool happens in your browser. Your input is not sent to a server.
About this tool
A browser-local sha-1 hash utility. Compute a SHA-1 digest with the browser Web Crypto API.
Common uses
- Check a digest required by a legacy system or file format.
- Generate a SHA-1 compatibility value locally in the browser.
How to use it
- 1.Enter or paste text in the input box.
- 2.Review the SHA-1 result and copy it if needed.
Limits and notes
- SHA-1 is unsuitable for passwords and digital signatures; use it only for compatibility checks.
Frequently asked questions
Is the input uploaded to a server?
No. The text is processed only in the current browser.
Can SHA-1 be used in a new security design?
No. Keep it for legacy compatibility and use SHA-256 or stronger for new designs.