How to use URL Decoder
Paste a percent-encoded URL or text and click Decode to convert it back to human-readable format. This is useful for reading UTM parameters, debugging redirect URLs, or understanding encoded query strings.
Common Percent-Encoded Characters
- %20 - Space
- %26 - Ampersand (&)
- %3D - Equals (=)
- %3F - Question mark (?)
- %2F - Forward slash (/)
- %3A - Colon (:)
- %40 - At symbol (@)
Use Cases
URL decoding is essential when working with web APIs, analyzing campaign tracking parameters, or debugging URL-related issues. Search engine optimizers often need to decode URLs to understand keyword targeting.
FAQ
What's the difference between decodeURI and decodeURIComponent?decodeURI only decodes characters that could have been encoded by encodeURI. decodeURIComponent decodes everything.
Why are some characters not decoded?Some characters are reserved for URL syntax and should only be decoded when they represent data, not when they're part of URL structure.