Free Online Security Tools
Browser-based security utilities — generate strong passwords, random strings, hashes and HMACs locally.
Password Generator
Generate strong random passwords with custom rules.
Random String Generator
Generate random strings with custom length and charset.
Hash Generator
Generate MD5, SHA-1, SHA-256 and SHA-512 hashes locally.
HMAC Generator
Generate HMAC signatures using WebCrypto in your browser.
About our security tools
Every tool in this category was built to be fast, private, and easy to use. Most run completely in your browser, so your files never leave your device. Whether you're working from a phone, tablet, or laptop, you'll get the same instant experience without sign-ups or watermarks.
Pick a tool above to get started, or use the search bar to jump straight to what you need. New utilities are added regularly based on what people search for most.