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URL encoder

Encode or decode text as a URL component or a full URI — the difference is explained right on the toggle. Or paste a whole URL and read every part, with each query parameter decoded on its own row.

Privacy ledger

Data acquired	None.
Libraries used	Lit 3 — bundled into the tool file itself.
Data stored	None.
Data transmitted	None.

Use it on your own page

Download the tool as a single self-contained HTML file: readable source with the Lit library included, zero network requests — it works opened straight from your disk, and you can customize everything.

Download as HTML file

Prefer the hosted widget? One script tag embeds it and stays up to date:

<script type="module" src="https://uuutil.com/tools/url-encoder.js"></script>
<uu-url-encoder lang="en"></uu-url-encoder>

Source license: MIT — free to use, modify and redistribute; keep the license notice in copies.