Random String Generator
Generate random strings with options for length and character types. All in your browser.
1–512 characters
Security Tools
JWT Decoder
Decode JWT header and payload, view expiry and validity.
Bcrypt Generator & Verifier
Generate hashes and verify passwords (server-side).
UUID Generator & Validator
Generate UUID v4 and validate. Bulk 1–1000, export TXT/CSV.
Password Generator
Generate strong passwords. Length, symbols, strength meter.
Hash Generator
MD5, SHA-1, SHA-256, SHA-512 hashes from text.
Unix Permission Calculator
Visual chmod checkboxes to octal and symbolic permissions.
JWT Encoder
Create HS256 JWTs with header, payload, and secret (Web Crypto).
HMAC Generator
Generate HMAC-SHA256 or HMAC-SHA1 with a secret key.