TOOLOO · SECURITY TOOLS
Private. Secure. In your browser.
Use passwords, hashes, tokens, and security configuration tools without sending sensitive data to a server.
Browser onlyWeb Crypto API
SECURITY BY DEFAULT
Keep secrets on your device
Every tool states its security boundary and limits. Decoding, hashing, or generating never pretends to be verification or complete protection.SECURITY LIBRARY
All security tools
Password ToolsGenerate passwords, check strength, and create memorable passphrases in your browser.Generate passwordGenerate passphraseCheck strengthHash ToolsCreate and compare SHA, MD5, and HMAC hashes locally.Create hashCompare hashCreate HMACUUID / Token GeneratorGenerate UUID v4 values and secure random tokens locally with Web Crypto.UUID v4ULIDRandom tokenJWT DecoderRead JWT headers, payloads, and expiry locally without verifying signatures.Decode JWTCertificate DecoderInspect PEM or DER certificate format and DER byte information locally.Decode certificateCSP ToolsBuild and analyze Content Security Policies for common risky directives.Build policyAnalyze policy