Full algorithm set
MD5, SHA-1, SHA-256, SHA-512, and more in one panel.
Dev Workbench
Digests, checksums, and HMACs — instantly →
Compute MD5, SHA-1, SHA-256, SHA-512, and HMAC from any text.
#hash#sha#checksumFree · Unlimited
Compute hex digests of any text
6Algorithms
0Keys persisted
<1sCompute time
Why it works
Full algorithm built in
HMAC support
Keyed hashes for signed payloads and webhooks.
Integrity checks
Compare digests across machines and environments.
Where it pays off
Made for real workflows
Checksum verification
Confirm downloads and builds match published digests.
Signature building
Draft HMAC signatures while implementing webhook verification.
Data integrity
Hash strings and files to compare before and after transfers.
FAQ
Quick answers
Is the HMAC secret kept locally?
Yes — secrets are used in-session and never sent or stored.
developer-toolsFree
JSON Formatter
Beautify, minify, and validate JSON payloads with configurable indentation.
developer-toolsFree
JSON Validator
Check JSON syntax and get a precise error location when something is off.
developer-toolsFree
JWT Decoder
Decode the header and payload of JWT tokens without leaking secrets.
Every tool is free, forever.
Hash Generator runs with no account, no credit card, and no usage limits — just open the workspace and go.