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URL Encoder/Decoder

URL encode and decode strings

Key Facts

Category
Development
Input Types
text, select
Output Type
text
Sample Coverage
4
API Ready
Yes

Overview

The URL Encoder/Decoder is a straightforward utility designed to convert special characters into a URL-safe format or revert encoded strings back to their original readable text.

When to Use

  • •When preparing special characters or spaces for inclusion in a web address.
  • •When you need to interpret a URL-encoded string found in a browser address bar or API response.
  • •When debugging web requests to ensure parameters are correctly formatted for server transmission.

How It Works

  • •Paste your text into the input field.
  • •Select 'Encode' to convert special characters into percent-encoded format.
  • •Select 'Decode' to transform percent-encoded characters back into standard text.
  • •Copy the resulting output for use in your application or browser.

Use Cases

Sanitizing query parameters for web forms.
Decoding URL-encoded data from API logs for easier reading.
Formatting file paths or filenames for web-based access.

Examples

1. Encoding Query Parameters

Web Developer
Background
A developer needs to pass a search query containing spaces and symbols through a URL.
Problem
Raw text like 'search term & filter' causes URL errors.
How to Use
Enter 'search term & filter' into the input, select 'Encode', and copy the result.
Outcome
The tool outputs 'search%20term%20%26%20filter', which is safe for browser use.

2. Decoding API Response

Data Analyst
Background
An analyst is reviewing API logs and sees a parameter string that is difficult to read.
Problem
The string 'user%20name%3Dadmin' is not human-readable.
How to Use
Paste 'user%20name%3Dadmin' into the input, select 'Decode', and view the result.
Outcome
The tool converts the string back to 'user name=admin'.

Try with Samples

text
URL Slug Samples
Collection of valid and invalid URL slug examples for testing (lowercase letters, numbers, hyphens, optional underscores)
title token url
text
URL Query Analyzer Samples
Comprehensive collection of URLs with query parameters for testing URL parsing, encoding validation, and parameter extraction
title token url
text
Hex/Unicode Encoding Format Samples
Examples of hex (\xXX) and unicode (\uXXXX) escape sequence encoding formats
matched family text
text
Path Analyzer Samples
Comprehensive collection of file system paths from Windows, Linux, and macOS for path analysis and testing
matched family text
text

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FAQ

What is URL encoding?

URL encoding converts characters that are not allowed in a URL into a format using the '%' symbol followed by the character's hexadecimal value.

Why should I encode my URLs?

Encoding ensures that special characters like spaces, symbols, or non-ASCII characters do not break the URL structure or cause errors during transmission.

Can I decode any string?

You can decode any string that follows standard percent-encoding rules. If the string is not properly encoded, the output may remain unchanged.

Is this tool secure?

Yes, all processing happens locally in your browser, ensuring your data is not sent to any external server.

Does this tool support batch processing?

This tool is designed for single-string processing to ensure accuracy and simplicity.

API Documentation

Request Endpoint

POST /en/api/tools/url-encoder

Request Parameters

Parameter Name Type Required Description
textInput text Yes -
operation select Yes -

Response Format

{
  "result": "Processed text content",
  "error": "Error message (optional)",
  "message": "Notification message (optional)",
  "metadata": {
    "key": "value"
  }
}
Text: Text

AI MCP Documentation

Add this tool to your MCP server configuration: 

{
  "mcpServers": {
    "elysiatools-url-encoder": {
      "name": "url-encoder",
      "description": "URL encode and decode strings",
      "baseUrl": "https://elysiatools.com/mcp/sse?toolId=url-encoder",
      "command": "",
      "args": [],
      "env": {},
      "isActive": true,
      "type": "sse"
    }
  }
}

You can chain multiple tools, e.g.: `https://elysiatools.com/mcp/sse?toolId=png-to-webp,jpg-to-webp,gif-to-webp`, max 20 tools.

If you encounter any issues, please contact us at [email protected]