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URL encoder and decoder

Calculate url encoder and decoder using the values and assumptions you provide.

Calculate url encoder and decoder using the values and assumptions you provide.

Your inputs stay in your browser. Displayed results are rounded to a maximum of 12 significant digits.

Method and assumptions

Method version 1.0.0 · Updated

Calculate

Formula: Encode or decode UTF-8 URL components

Calculate url encoder and decoder using the values and assumptions you provide.

text
Text
mode
Mode

Results depend on the assumptions entered; verify professional or safety-critical decisions independently.

Calculate with code

These short examples use the same inputs and core calculation as this tool. Adapt validation and formatting to your application.

JavaScript
const text = "IPv6 subnet";
console.log(encodeURIComponent(text)); // IPv6%20subnet
TypeScript
const text = "IPv6 subnet";
const encoded: string = encodeURIComponent(text);
console.log(encoded); // IPv6%20subnet
Python
from urllib.parse import quote
print(quote("IPv6 subnet", safe=""))  # IPv6%20subnet
Java
System.out.println(java.net.URLEncoder.encode("IPv6 subnet", java.nio.charset.StandardCharsets.UTF_8)); // IPv6+subnet (form encoding)
C#
Console.WriteLine(Uri.EscapeDataString("IPv6 subnet")); // IPv6%20subnet