3 free tools
Security & Network Tools
Free, privacy-first security and network tools — generate strong passwords, compute cryptographic hashes and more. Everything runs entirely in your browser, so passwords and other secrets never leave your device.
★ Featured
Hash Calculator
Generate MD5, SHA-1, SHA-256, SHA-384 & SHA-512 digests instantly.
Security & Network ★ Featured
Password Generator
Create strong, random passwords with a live strength meter.
Security & Network ★ Featured
JWT Debugger & Inspector
Decode, inspect claims, and verify HMAC signatures locally in your browser.
Security & NetworkFrequently asked questions
Are these security tools free? +
Yes — every tool is completely free, with no account, sign-up or usage limits.
Can I use them with sensitive data? +
Yes. Hashing and password generation run locally with the Web Crypto API, so nothing you enter is uploaded or stored.