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URL Encoder & Decoder

Percent-encode or decode any URL or query string instantly, right in your browser.

100% free No sign-up Private · runs in your browser

How to use the free online url encoder / decoder

Paste a URL or text in the top box.
The encoded/decoded version appears instantly.
Copy the result with one click.

About this tool

Encode URLs and query strings safely or decode percent-encoded text back to readable characters. Our online URL encoder/decoder handles the full UTF-8 character set, so spaces, emojis and non-Latin characters convert exactly as browsers expect. Live conversion as you type, one-click copy, 100% client-side.

Key features

Encode & decode
Live output
UTF-8 aware
One-click copy

Privacy first: every calculation and generation runs 100% locally in your web browser using the Web Crypto API. Your input never touches a server — nothing is stored, logged or sold.

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Frequently asked questions

URLs can only contain a limited set of safe ASCII characters. Spaces, Unicode letters, & = ? # and others must be percent-encoded (e.g. space becomes %20) so the URL is valid and unambiguous.

Also called URL encoding, it replaces unsafe characters with a % followed by two hexadecimal digits representing the UTF-8 byte value.

Yes, we encode in UTF-8, so accents, Cyrillic, CJK and emoji all encode correctly.