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URL Decoder Online Free — Percent-Encoding to Plain Text Tool

Free online URL decoder tool. Convert percent-encoded URLs, query string parameters (%20, %26, etc.), and escaped strings back to human-readable plain text instantly in your browser.

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Execution Mode
100% Client-Side In-Browser
Data Privacy
Zero Persistent Storage
Access Policy
Free · No Signup Required

URL Encoder / Decoder

Encode or decode URL strings in real-time.

How to Use URL Decoder Online Free — Percent-Encoding to Plain Text Tool

  1. 1

    Paste your encoded URL or string into the input field.

  2. 2

    Ensure 'Decode' mode is active.

  3. 3

    Click 'Copy' to copy the human-readable decoded URL.

Key Features

  • Decode standard percent-encoded characters (e.g. %20 to space, %3A to colon)
  • Instant toggle between Decode and Encode modes
  • Handles deep nested query strings and UTF-8 encoded international characters
  • 100% in-browser processing with zero server logging

Benefits

  • Read messy URL parameters and analytics tracking links clearly
  • Debug webhook payloads and API redirects
  • Extract original redirect destinations from masked URLs

Common Pitfalls to Avoid

  • • Decoding an already decoded string containing literal '%' signs which can cause URI malformed errors.

Data Handling & Privacy Notice

This utility executes entirely client-side in your web browser. No text, calculations, or uploaded data are sent to our servers or stored in any database.

Frequently Asked Questions

Percent-decoding translates triplets starting with '%' followed by two hexadecimal digits back into their original characters (such as %20 turning back into a space).

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