Encode and decode URLs
Two different jobs: encoding a whole address and encoding one value that goes inside it are not the same thing, and mixing them up is why links break.
- Runs entirely in your browser
- Works offline
- No upload
- No sign-up
- No watermark
Loading the tool…
How it works
- Paste the URL or the value.
- Choose whether you are encoding a query value or a whole URL.
- Copy the result, or decode in the other direction.
Why nothing is uploaded
Every operation on this page is done by code running inside your browser tab, using the same engine that renders web pages. The file is read from disk into your tab’s memory, transformed there, and written back out as a download. It is never sent anywhere — not to us, not to a third party.
Verify it yourself
- Open your browser’s developer tools (F12) and select the Network tab.
- Load your file and run the tool.
- The only requests you will see fetch the tool’s own code — and, for a few heavy tools, their open-source engine from a public CDN — plus one small page-view ping to loreatec.jp (page address and title, nothing more). None of them carry your file.
Frequently asked questions
Which mode do I want?
If you are putting a value into a link, such as the search term after ?q=, use “query value”: it also converts &, = and ?, so they cannot cut the value short. If you are cleaning up a whole address, use “full URL”, which leaves the structure alone.
Does anything leave my browser?
No. Nothing is sent to a server. The whole tool is a small program that runs inside your browser tab. Once the page has loaded, it keeps working even with the internet switched off.