About URL Encode / Decode
Encode special characters into URL percent-encoding format or decode encoded URLs.
Key Features & Benefits
- ✓ Instant client-side processing with zero server delay
- ✓ 100% private & secure — no text stored or transmitted
- ✓ Mobile-responsive layout with modern dark-mode interface
- ✓ One-click copy to clipboard functionality
- ✓ Supports large text payloads up to 100,000+ characters
How to Use URL Encode / Decode
- 1 Paste or type your plain text into the URL Encode / Decode input box above.
- 2 Select your desired settings or options using the interactive controls.
- 3 Review the transformed output generated instantaneously in real-time.
- 4 Click the "Copy Text" button to copy the output straight to your clipboard.
Frequently Asked Questions
Why is URL encoding necessary for query parameters? ↓
URL encoding converts spaces and reserved characters (e.g. &, ?, #) into percent-encoded formats so browsers parse parameters accurately.
What JavaScript function is used for URL encoding? ↓
The tool uses standard encodeURIComponent() for comprehensive parameter encoding.