Security tools
Hash, decode, and inspect security-related values locally in the browser.
Filter by tool name, keyword, or format.
Security tools
4 toolsHMAC Generator (HMAC-SHA256 in Browser)
A no-network HMAC SHA256 generation page for fast HMAC calculation and signature verification.
JWT Decode (View Header/Payload, No Signature Verification)
exp / iat / nbf are shown as Unix time and datetime (UTC/local) with relative status.
Password Generator
Generate passwords securely on your device. Nothing is sent to the server.
SHA-256 Hash Calculator (Text/File Checksum)
Calculate SHA-256 directly in your browser. Your input data is never sent.