Security Utilities
Free browser-based Security Utilities tools.
UUID Generator
Generate UUID v4
Random Bytes Generator
Cryptographically random bytes
Time-based OTP Reference
TOTP/HOTP reference
QR Code Privacy Checker
QR safety checklist
Secure Notes (local)
Encrypted local-only notes
Secure Clipboard Reference
Clipboard hygiene tips
File Shredder Reference
Secure deletion guidance
VPN Comparison Reference
VPN comparison template
Tor Usage Reference
Tor basics reference
E2E Messaging Reference
Comparison of E2E messengers