Development Tools

URL Encoder/Decoder

Encode and decode URLs for web development. Handle special characters and Unicode properly.

Input

Output

URL Encoding Examples

Characters that need encoding:

  • Space: " " → "%20" or "+" (in forms)
  • Special chars: "&" → "%26"
  • Unicode: "你好" → "%E4%BD%A0%E5%A5%BD"
  • Symbols: "#" → "%23"

When to use URL encoding:

  • • Query parameters in URLs
  • • Form data submission
  • • API endpoints with special characters
  • • File names in download links