Hash, Checksum & HMAC Generator
Compute SHA-256, SHA-512, and HMAC cryptographic hashes across text strings or uploaded files 100% in your browser.
SHA-256 Digest (Hex)
SHA-512 Digest (Hex)
Base64URL SHA-256 Digest (SD-JWT Digest Format)
📦 Open-Source Engines & Browser APIs Used
100% Offline Client-Side Execution
Packages & APIs: Native W3C WebCrypto API (crypto.subtle.digest) and ECMAScript binary ArrayBuffer utilities.
⚖️ Legal Notice: This cryptographic hashing generator is provided "as is", without warranty of any kind, express or implied, including but not limited to warranties of merchantability or fitness for a particular purpose. All cryptographic hashing calculations execute 100% locally inside your browser; zero input strings or files are transmitted to remote servers.