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URL Encoder/Decoder

Online URL encoder and decoder with support for both encodeURI and encodeURIComponent modes.

Encoding Mode

📌 Description:
  • encodeURIComponent: Encodes all special characters, including : / ? # [ ] @ ! $ & ' ( ) * + , ; =
  • Suitable for encoding URL parameter values, query strings, etc.
  • Example: "a=1&b=2" → "a%3D1%26b%3D2"
0 characters
0 characters

Common Character Encoding Reference Table

CharacterencodeURIComponentencodeURI
Space%20%20
&%26& (Not encoded)
=%3D= (Not encoded)
?%3F? (Not encoded)
/%2F/ (Not encoded)
:%3A: (Not encoded)
%E4%B8%AD%E4%B8%AD

About This Tool

A simple and practical URL encoding and decoding tool. It supports standard encodeURI and thorough encodeURIComponent modes to help you handle special characters in URLs. The tool also provides a comparison table for common character encodings and usage examples. All conversions are performed locally in your browser, ensuring your data security.

Features

  • 🔐 Two Modes: encodeURI and encodeURIComponent
  • 📋 Example Reference: Provide common usage scenario examples
  • 📊 Comparison Table: Common character encoding comparison
  • ✅ Instant Conversion: Convert as you type
  • 📋 Quick Copy: One-click copy results
  • 🔒 Privacy Security: Local processing, no data upload