SHA-1 digests when a legacy checklist still asks for them
Paste text; get SHA-1 hex. Note: SHA-1 is deprecated for security collisions; prefer SHA-256 when you control the protocol.
chars: 10
When to use
Git-ish curiosities or older API signatures you must match.
Examples
How it works
crypto.subtle.digest('SHA-1') → hex. SHA-1 is deprecated for security.
Common pitfalls
- Do not use for new password hashing.
- Collision attacks exist — treat as legacy.
- Whitespace and encoding matter.
How this differs
Between MD5 (weaker/legacy) and SHA-256 (preferred checksum).
FAQ
Better than MD5?
For collisions, still don’t rely on SHA-1 for new security designs.
Password storage?
No.
File hashing?
Optional.
Related?
SHA-256.
Related tools
Runs in your browser. Nothing is uploaded. Not a security product —hashes and JWT decode are for debugging, not password storage or auth advice.