Online Tool Store
URL Encoder Decoder
Percent-encode text for a URL or query parameter, or decode it back, with a choice between component and full-URL encoding. Runs entirely in your browser.
🔒 This tool runs entirely in your browser. Your files are never uploaded to a server.
"Component" escapes every reserved character — use it for a single query value. "Full URL" leaves : / ? & = alone since they're structural in a whole URL.
Example shown — replace it with your own text or URL.
How it works
- Choose Encode or Decode, and Component or Full URL scope.
- Paste your text or URL.
- The result updates instantly — copy it when it looks right.
FAQ
What's the difference between "Component" and "Full URL" mode?
Component mode escapes every reserved character, including & = / ? — use it for a single value going into a query string. Full URL mode leaves those characters alone since they're structural in a complete URL, and only escapes things like spaces.
How is this different from the URL Parser tool?
URL Parser breaks an already-valid URL into its pieces (protocol, host, path, query). This tool goes the other way — it turns arbitrary text into a safely percent-encoded string, or reverses that.
Why did decoding fail with an error?
Decoding fails on malformed percent-encoding — a "%" not followed by two valid hex digits. Check for a stray % in your input that wasn't meant to be encoded.
Is my text sent anywhere?
No — encoding and decoding happen entirely in your browser using the built-in encodeURIComponent/decodeURIComponent. Nothing is uploaded.
How we compare
| Feature | Online Tool Store | Browser devtools console | Online upload-and-convert sites |
|---|---|---|---|
| No console commands to remember | ✓ | Requires typing JS | ✓ |
| Component vs full-URL scope built in | ✓ | Two separate function calls | Often one mode only |
| Text stays on your device | ✓ | ✓ | Uploaded to their server |
For a quick one-off encode or decode without opening devtools or remembering which function does what, this is faster.