URL Encoding & Decoding Tester
Encode and decode URLs, query strings, and special characters with live percent-encoding comparison.
How to Use URL Encoding Tester
Configure Input & Parameters
Enter your target endpoint, pattern, or data payload in the input fields above.
Execute Real-Time Analysis
Click the action button or type to trigger client-side validation, testing, and processing instantly.
Inspect & Export Results
Review detailed status badges, response trees, and copy formatted output to your clipboard.
Frequently Asked Questions
What is the difference between encodeURI and encodeURIComponent?
`encodeURI()` keeps protocol characters like `http://` and `?` intact, whereas `encodeURIComponent()` encodes every special symbol including slashes and ampersands.
100% Client-Side Privacy
All tests, tokens, queries, and payload processing run securely inside your browser. No sensitive credentials or data ever hit external servers.
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