Hash, encrypt, and decode data. 14 free online tools, no signup required. All tools run directly in your browser.
Crypto & Security is a private toolkit for hashing, encrypting, and understanding data without trusting a third party. Developers paste passwords or API keys into Hash Generator to produce SHA-sums for verification, and sysadmins create strong credentials with Password Generator, then gauge how long an attacker would fight them with Password Strength. Anyone moving sensitive text between systems reaches for AES Encrypt/Decrypt for symmetric protection, while teams securing service tokens sign and verify them locally with JWT Signer & Verifier. For quick reversible puzzles, XOR Encrypt offers a light cipher, and RSA Key Generator produces key pairs for testing and learning asymmetric cryptography. The most meaningful feature is that every operation runs in your browser on the Web Crypto API, so keys, payloads, and secrets never touch a server and are wiped from memory when you close the tab. Students studying cryptography and QA engineers verifying checksums get a sandbox that behaves like the real thing without the infrastructure. It is also handy for the everyday: generating an OTP, computing a checksum for a download, or toying with a Caesar cipher for fun. Everything is free and instant. Try the crypto and security tools the next time you need a hash, an encrypted message, or a genuinely private place to experiment.