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URL Encoder/Decoder

Encode special characters for URLs or decode URL-encoded strings.

About URL Encoding

URL encoding replaces unsafe ASCII characters with a "%" followed by two hexadecimal digits. This ensures URLs are transmitted correctly over the internet.

Common Encodings

  • Space → %20
  • & → %26
  • = → %3D
  • ? → %3F
  • # → %23

When to Use

  • Query string parameters
  • Form data submission
  • API requests
  • Embedding data in URLs