Developer Tools

JSON formatter, Base64, UUID generator, timestamp converter, QR code generator, regex tester, hash generator and more.

Free Developer Tools

• JSON Formatter
  Free JSON formatter and validator. Beautify, minify, and validate JSON with syntax highlighting and error reporting.
• UUID Generator
  Free UUID generator. Generate RFC4122 version 4 UUIDs (GUIDs) instantly. Generate up to 100 at once.
• Color Picker
  Free color picker. Pick a color and get its HEX, RGB, HSL, and CMYK values. Convert between color formats.
• Base64 Encoder / Decoder
  Free Base64 encoder and decoder. Encode text to Base64 or decode Base64 back to text with UTF-8 support.
• Timestamp Converter
  Free Unix timestamp converter. Convert between Unix timestamps and human-readable dates in UTC, local, and ISO 8601.
• QR Code Generator
  Free QR code generator. Create custom QR codes for URLs, text, or contact info. Download as PNG instantly.
• Unit Converter
  Free unit converter. Convert length, weight, temperature, volume, area, and speed between any units.
• Time Converter
  Free time unit converter. Convert between milliseconds, seconds, minutes, hours, days, and weeks.
• URL Encoder / Decoder
  Free URL encoder and decoder. Encode or decode URL-safe strings with percent-encoding support.
• Regex Tester
  Free regex tester. Test regular expressions against text with live match highlighting and flag support.
• Hash Generator
  Free hash generator. Generate SHA-1, SHA-256, SHA-384, and SHA-512 hashes from any text input.