About this tool
Generates SHA-1, SHA-256, SHA-384, and SHA-512 digests using SubtleCrypto. Fast, local, and matches what your backend (or git) will produce.
How it works
- Type or paste text.
- The tool UTF-8 encodes and runs each algorithm via crypto.subtle.digest.
- Results are hex-encoded and shown alongside a copy button.
When to use it
- Verifying a checksum from a download.
- Producing content-addressable IDs for cached AI outputs.
- Confirming a webhook body signature calculation locally.