Spaces, ampersands, and accents break links unless they are encoded. This page fixes that both ways: url encode and url decode in your browser, free, following RFC 3986 so every reserved character is handled. It is a url encode decode tool that keeps your data local.
Both directions, one click each.
To make a string safe for a link or a query parameter, paste it and encode. That is url encode, and people also reach it as url encode online. The reverse turns an encoded link back into plain characters: paste it and run url decode, often searched as url decode online, to read what the link actually says.
Because both sit on one page, url encode and decode happen without switching tools. Encoding follows RFC 3986, so reserved characters like spaces, ampersands, and question marks are escaped correctly rather than guessed at.
Decoding makes a messy URL legible.
A long URL full of %20 and %3D is hard to read. Decoding it works like a link to text converter, turning the escapes back into normal characters, which is why some people look for a url formatter to tidy a tracking link from a log.
Under the hood, encoding here matches the JavaScript encodeURIComponent function, so a search for url encode javascript describes exactly what this does. You get the same result the browser would, without writing any code.
Two kinds of encoding, two jobs.
This is a single url encode decode utility, so there is no need to bounce between separate pages. It is worth not confusing it with Base64, though. URL encoding makes text safe inside a link; Base64 turns text into an ASCII blob for transport. If that second job is what you need, the Base64 tool is the encode decode online option for it.
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Open URL Encoder / Decoder