Question 1

What is URL encoding?

Accepted Answer

URL encoding (percent-encoding) converts special characters into a format that can be transmitted over the Internet. Characters like spaces, &, ?, = are replaced with percent-encoded equivalents like %20, %26, %3F, %3D.

Question 2

When should I use URL encoding?

Accepted Answer

Use URL encoding when passing special characters in URL parameters, query strings, or form data. It ensures characters like spaces, ampersands, and equals signs don't break your URLs.

Question 3

Is my data safe when using this tool?

Accepted Answer

Yes, absolutely. All encoding and decoding happens locally in your browser. Your data never leaves your device and is not sent to any server.

Question 4

What's the difference between encodeURI and encodeURIComponent?

Accepted Answer

encodeURI encodes a full URL but preserves characters like :, /, ?, #. encodeURIComponent encodes everything except letters, digits, and - _ . ~ making it suitable for encoding URL parameter values.

URL Encoder / Decoder

Common URL Encoded Characters

What is URL Encoding?