URL Decoder
About URL Decoder
The URL Percent-Decoder translates percent-encoded hex sequences (%20, %2F, %3F, %26, %3D) back into human-readable URLs, UTF-8 query strings, and plain text with automatic plus-sign (+) space conversion.
How to Use URL Decoder
Step 1
Paste your percent-encoded URL string into the input box.
Step 2
Toggle "+ as Space" if decoding form-urlencoded data.
Step 3
View the readable decoded URL generated instantly.
Step 4
Click "Copy Decoded URL".
Practical Use Cases for URL Decoder
Web Traffic & Analytics URL Decoding
Decode referrer URLs, UTM campaign parameters, and Google Analytics tracking links into readable strings.
Web Scraping & API Payload Extraction
Decode obfuscated redirect links, search query strings, and deep links during debugging and web development.
Input & Output Examples
Decoding Percent-Encoded Search URL
https%3A%2F%2Fexample.com%2Fsearch%3Fq%3Djavascript%2Btools
https://example.com/search?q=javascript+tools
Key Features & Performance
- ✓Decodes all standard percent-encoded escape sequences.
- ✓Optional toggle to convert plus signs (+) into standard spaces.
- ✓Recursive decoding mode for multi-layer nested encoded URLs.
- ✓Supports full UTF-8 Unicode characters (e.g. %E2%9C%93 = ✓).
- ✓100% Client-Side decoding with zero network latency.
- ✓1-Click Copy decoded URL output.
Key Terminology & Definitions
URL Decoding
The process of parsing percent-encoded triplet characters (%XX) back into their corresponding ASCII or UTF-8 character equivalents.
application/x-www-form-urlencoded
A standard web form submission format where spaces are replaced by plus signs (+) and other characters are percent-encoded.