Free Developer Tools
Free developer tools for encoding, regex testing, hashing, and more. Essential utilities for developers—no signup required.
Recommended Tools
JSON Formatter
Format and validate JSON. Paste minified JSON, get pretty-printed output.
⚡ Browser Only🔒 No Upload🚀 Instant Processing
Base64 Encode/Decode
Encode and decode Base64 strings. Supports Unicode.
⚡ Browser Only🔒 No Upload🚀 Instant Processing
URL Encode/Decode
Encode and decode URL-encoded strings. Percent-encoding.
⚡ Browser Only🔒 No Upload🚀 Instant Processing
Regex Tester
Test regular expressions against sample text. Highlight matches with g, i, m flags.
⚡ Browser Only🔒 No Upload🚀 Instant Processing
Hash Generator
Generate MD5, SHA-256, SHA-512 hashes. Paste text, get hash.
⚡ Browser Only🔒 No Upload🚀 Instant Processing
Password Generator
Generate secure random passwords. Customize length and character types.
⚡ Browser Only🔒 No Upload🚀 Instant Processing
UUID Generator
Generate random UUID v4 identifiers. One click, instant result.
⚡ Browser Only🔒 No Upload🚀 Instant Processing
Timestamp Converter
Convert between Unix timestamp and human-readable date.
⚡ Browser Only🔒 No Upload🚀 Instant Processing