Text tool
URL Encoder & Decoder
Encode or decode special characters and non-English text in URLs.
Free｜No sign-up｜Files stay on your device
If this tool helped, consider supporting the site so we can keep building free tools.
Support us／Ko-fiAbout URL Encoder & Decoder
Shared links often turn into long strings like %E4%B8%AD. Paste one here to turn it back into readable text — or encode text so it's safe to use in a URL.
Both encodeURIComponent (for parameters) and encodeURI (for full URLs) are available.
Great for
- ・Reading encoded links
- ・Building UTM tracking URLs
- ・Debugging broken URL parameters
How to use
- 01Paste your text into the input box.
- 02Click the action you need.
- 03Copy or download the result — or send it back to the input to keep going.
Why use it
Private by design
Everything runs locally in your browser. Nothing passes through a server.
Instant
No software to download and no account to create.
Works everywhere
Desktop, phone, or tablet — any modern browser.
Free forever
No watermarks and no usage limits.
Frequently asked questions
Is there a size limit?
+
No fixed limit. Several megabytes of text are processed in about a second, depending on your device.
Is this tool free? Do I need an account?
+
It's completely free. There's no sign-up, no login and no usage limit.
Are my files and data safe?
+
Everything is processed inside your browser. Your files are never uploaded to our servers and disappear when you close the page.
Does it work on my phone?
+
Yes. The page is fully responsive and works in current versions of Chrome, Safari and Edge on iPhone, Android and tablets.
More tools
Count words, characters, lines and paragraphs in real time, with an estimated reading time. Handles mixed-language text.
Instantly convert text to UPPERCASE, lowercase, Title Case or Sentence case.
Paste a list and remove duplicate lines instantly, optionally ignoring blank lines and extra spaces.
Format, minify and validate JSON, with clear error messages when something's wrong.
Fix the extra line breaks you get when copying text from PDFs, with an option to keep paragraphs.
Paste a list and fairly draw winners using cryptographic randomness. You can also shuffle the list into random groups.
url decode/url encode/url decoder/percent encoding