AI Toolbox

URL Encoder

Free online URL encoder and decoder. Encode and decode URL parameters with full Unicode and special character support. Perfect for developers working with APIs. Local browser processing, no signup.

How to Use URL Encoder

  1. 1Paste the text you want to encode or the URL-encoded string to decode
  2. 2Choose Encode or Decode mode
  3. 3View the result instantly
  4. 4Copy the encoded or decoded text to clipboard

Frequently Asked Questions

When should I use URL encoding for my links?

Use URL encoding for query parameters, form data, and any text that will be part of a URL. Special characters like spaces, ampersands, equals signs, question marks, and non-ASCII text must be encoded to work correctly in URLs and avoid breaking the URL structure.

Does it handle Unicode and non-English characters?

Yes, full Unicode support is included. Characters from any language including Chinese, Japanese, Korean, Arabic, Cyrillic, and emoji are all properly encoded to percent-encoded UTF-8 sequences that work correctly in URLs across all browsers and servers.

What is percent encoding and how does it work?

Percent encoding replaces unsafe ASCII characters with a % followed by two hexadecimal digits. For example, a space becomes %20, an ampersand becomes %26, and non-ASCII characters are encoded as their UTF-8 byte sequences in percent-encoded form.

Is URL Encoder free, and do I need to sign up or upload my files?

URL Encoder is 100% free to use with no signup, no registration, and no usage limits. All processing happens locally in your browser - your files and data never leave your device, so no upload is required and your privacy is fully protected.