What is the difference between encodeURI and encodeURIComponent?

encodeURI encodes a full URL and preserves characters like / and ?. encodeURIComponent encodes a URL component (like a query value) and also encodes those characters.

Is my data sent to a server?

No. Encoding and decoding runs securely in your browser without uploading.

Developer

URL Encode / Decode

Encode special characters in URLs or decode percent-encoded strings. Runs entirely in your browser.

Encode mode:

Raw text / URL

Encoded output

Output appears here…

encodeURIComponent encodes all special chars. encodeURI preserves :// ? # & = for full URLs.

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