Hash Generator & HMAC Calculator
Generate message digests and HMAC values for text or files while processing every byte locally in the browser.
About Hashes & HMACFeatures & how to use
Calculate MD5, SHA and HMAC digests locally. Verify files against GNU or BSD checksum manifests without uploading files or expected hashes.
What it can do
- Generate MD5 and SHA family digests; MD5 and SHA-1 are retained for forensic compatibility, not new security designs.
- Calculate HMAC with a local secret.
- Hash files incrementally without uploads.
- Verify up to 100 local files against GNU, BSD or a single bare checksum; report mismatches, missing files and ambiguous filenames.
How to use it
- Select a hash algorithm.
- Paste text, open a file or provide an HMAC secret.
- Calculate and copy the digest.