URL Encoder/Decoder for C#

Free online url encoder/decoder with C# code examples

Working with url encoder/decoder in C#? Our free online url encoder/decoder helps C# developers format, validate, and process data instantly. Below you will find C# code examples using System.Net.WebUtility (built-in) so you can achieve the same result programmatically in your own projects.

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C# Code Example

using System.Net;

string encoded = WebUtility.UrlEncode("Hello World!");
string decoded = WebUtility.UrlDecode(encoded);

Quick Setup

Library: System.Net.WebUtility (built-in)
// Built-in — no package needed

C# Tips & Best Practices

  • WebUtility.UrlEncode is the modern API
  • Uri.EscapeDataString for RFC 3986 encoding
  • HttpUtility.UrlEncode is the legacy alternative

Frequently Asked Questions

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