Question 1

What's the difference from encodeURI?

Accepted Answer

This tool uses encodeURIComponent, which also escapes characters like &, =, and ? — the right choice for encoding individual query parameter values.

Question 2

Does it support non-Latin characters?

Accepted Answer

Yes, UTF-8 text, including accented characters and emoji, is percent-encoded correctly.

Question 3

What happens with an invalid encoded string?

Accepted Answer

The tool shows an error if the string contains a malformed percent-escape sequence.

Question 4

Can I decode back to the original text?

Accepted Answer

Yes, switch to decode mode and paste the encoded string.

Question 5

Is my text sent to a server?

Accepted Answer

No, encoding and decoding both happen locally in your browser.

URL Encoder/Decoder

How to use it