Hash Generator
Security /hashGenerate SHA-256, SHA-384, and SHA-512 digests locally with the Web Crypto API.
Hashing happens locally in your browser.
The generated hash will appear here.
Digest updates as you type. 1 line 12 B algorithm SHA-256 local only
How it works
Hash text locally with SHA-256, SHA-384, or SHA-512 using Web Crypto.
Use it to calculate a reproducible SHA-2 digest for a text value.
Example
Hash the same release note twice with SHA-256 and compare the hexadecimal digests.
Notes
- Empty input is valid and hashes to the correct digest for the empty string.
- Output is lowercase hexadecimal.
- Legacy hashes such as MD5 and SHA-1 are intentionally excluded.
Constraints
- Creates one-way SHA-2 digests; it does not encrypt or store the source text.
- Limit: 5 MiB input. Nothing is uploaded or silently truncated.
Common errors
- Confusing hashing with encryption
- Text encoding differences
- Web Crypto unavailable
When to use it
Use it to calculate a reproducible SHA-2 digest for a text value.
Formats: SHA-256, SHA-384, SHA-512, UTF-8 text.