Free Online Tools for Developers

Hash Generators, Encoders, Decoders & Cryptography Tools

Comprehensive collection of free online tools for developers and professionals. Generate hashes (MD5, SHA-256, SHA-512, SHA-3, Keccak), encode/decode data (Base64, Base32, Hex, URL, HTML), encrypt/decrypt (AES, RSA, ECDSA), format JSON/XML, create QR codes, and more. All tools are fast, secure, and require no registration.