Generate SHA-256, SHA-512, SHA-384, and SHA-1 hashes for text and files.
Execution runs 100% locally inside the browser sandbox using HTML5 Canvas, Web Cryptography Subtle API, and Web Workers. Zero egress.
Zero network latency. Operates completely offline with zero dependencies on third-party backend servers or cloud services.
Built according to official RFC specifications, cryptographic test vectors, and enterprise-grade data transformation standards.
Paste the string or select a local file to compute cryptographic checksums.
View calculated digests for SHA-256, SHA-512, SHA-384, SHA-1, and MD5.
Copy the hexadecimal checksum to verify file integrity and cryptographic signatures.
Yes, files are processed in chunks in your browser using the Web Crypto API without uploading to a server.
SHA-256 and SHA-512 are industry standards for secure cryptographic hashing.
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