Security & Privacy Tools

Encode, hash, encrypt, and generate secure credentials online for free. All operations are processed locally in your browser, nothing leaves your device.

• Password Generator — Generate strong, secure passwords with custom rules. Free online password generator, runs entirely in your browser, your passwords are never sent to any server.
• Password Strength Checker — Secure tool for analyzing the strength of any password in real time, perfect for developers, security professionals, and everyday users who want to ensure their passwords are strong enough to resist common attack methods.
• Hash Generator — Generate MD5, SHA-1, SHA-256, SHA-512 hashes from text. Free online hash generator, runs entirely in your browser, your data never leaves your device.
• SSH Key Generator — Generate RSA and ECDSA key pairs in your browser. Private key never leaves your device. Free online key pair generator, fully secure, no data sent to any server.
• JWT Decoder & Encoder — Developer tool for decoding and encoding JSON Web Tokens instantly, making it easy to inspect JWT payloads, headers, and signatures without any backend setup.
• Base64 Encoder / Decoder — Encode and decode Base64 strings instantly. Free online Base64 encoder and decoder, works entirely in your browser with no signup or installation required.
• URL Encoder / Decoder — Encode and decode URLs and query string parameters. Free online URL encoder and decoder, works in your browser with no account or installation needed.
• HTML Entities — Encode text to HTML entities and decode HTML entities to text. Free online HTML entity encoder and decoder, works instantly in your browser with no signup.
• Binary ↔ Text — Convert text to binary (0s and 1s) and binary back to text. Free online text to binary converter, works entirely in your browser with no account needed.
• Hex ↔ Text — Convert text to hexadecimal and hexadecimal back to text. Free online hex encoder and decoder, works in your browser with no signup or installation required.
• ROT13 Cipher — Apply ROT13 substitution cipher to text. Encode or decode instantly. Free online ROT13 encoder and decoder, works in your browser with no signup required.
• Caesar Cipher — Encrypt and decrypt text using the Caesar cipher with custom shift. Free online Caesar cipher tool, works entirely in your browser with no account or installation needed.
• UUID Generator — Generate random UUIDs (v4) and ULIDs instantly. Free online UUID and ULID generator, works in your browser with no account or installation needed.