8 tools live · 100% client-side
Security Tools
Passwords, hashes, tokens, JWT — generate & validate without exposing data to any server
All security tools
8 tools · all calculations in your browser
🔐
Password Generator
Strong random passwords
💪
Password Strength
Check strength & crack time
🔢
Hash Generator
SHA-1, SHA-256, SHA-512
🆔
UUID Generator
v4 UUIDs, bulk generate
🎫
JWT Decoder
Decode header & payload
🔄
Base64 Encode/Decode
Bidirectional converter
🎟️
Token Generator
API keys & tokens
🔑
PIN Generator
Random 4-10 digit PINs
Why Toolzfy security tools are safe
- ✓ 100% client-side — passwords, tokens never sent to any server
- ✓ Uses Web Crypto API — cryptographically secure randomness
- ✓ Open algorithms — SHA-256, AES, UUID v4 (industry standards)
- ✓ No logging, no analytics on input data
- ✓ Works offline once page loads
- ✓ Free forever, no signup, no watermark