URL Encoder/Decoder

Percent encode or decode query parameters and URLs.

Raw Text / URL

Result

Formula & Calculation Details

Encodes using standard JavaScript encodeURIComponent() and decodes using decodeURIComponent().

Frequently Asked Questions

URLs can only contain standard ASCII characters. Special characters like spaces or symbols must be encoded into safe percent notation.

Yes, 100%. All processing is performed entirely in your browser using local JavaScript. No code or data is uploaded to our servers, ensuring your data remains completely private.

Yes! Since it runs entirely in the client-side browser, you can continue to use all its features without an active internet connection once the page is loaded.

There is no set limit, but processing extremely large inputs (multiple megabytes) depends on your browser's memory and CPU capacity. It is optimized to handle standard development workflows instantly.

Absolutely. The interface is fully responsive and optimized to provide a premium, smooth coding experience on mobile phones, tablets, and desktop computers.