What is it?
URL Encode / Decode converts spaces and special characters to and from percent codes (a space is %20, ₹ is %E2%82%B9), and can split a link into its parts.
Who is it for?
Developers building links and query strings, marketers checking tracking links, and anyone who received a link full of %20 and %E2 codes and wants to read it.
How to use it
- Paste the text or link.
- Choose Encode, Whole address, Decode or Split a link.
- Copy the result.
The modes
- Encode: for a single value inside a link, such as a search word or a WhatsApp message. Every special character is encoded.
- Whole address (keep : / ? & =): encode a full link while keeping its structure.
- Decode: turn %XX codes back into readable text.
- Split a link: shows the address, path and each query parameter separately. Paste a complete link, starting with https://.
Problems and fixes
- “Part of this text is not valid percent-encoding”: a % isn’t followed by two hex digits (like
%2or “50% off”). Encode the text instead of decoding it, or fix the broken code. - + instead of spaces: forms often encode a space as +. Decoding a value from a query string turns + back into spaces.
- Link broken after encoding: you encoded a whole link with Encode, so
https://becamehttps%3A%2F%2F. Use Whole address instead.
Good to know
Split a link to spot tracking parameters like utm_source or fbclid, which you can remove before sharing.
Open the tool: URL Encode / Decode
Still stuck?
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Questions, or an error not listed here?
Tell us in the comments: what you were doing, the exact message you saw, and your device and browser. We read every comment and add new fixes to this article.