URL Encoder / Decoder

Encode text for use in URLs or decode URL-encoded strings. Handles special characters and spaces. All processing runs in your browser.

Text to encode

How to use

Choose mode
Switch between Encode (text → percent-encoded) and Decode (percent-encoded → text).
Enter input
Type or paste your text or encoded string.
Copy result
Use the Copy button to copy the encoded or decoded output.

Examples

Encode
Spaces and symbols are encoded.
Input
```
hello world!
```
Output
```
hello%20world%21
```

Frequently asked questions

What encoding is used?: Standard percent-encoding (encodeURIComponent / decodeURIComponent) as used in URLs and query strings.
Why does decode fail?: Invalid percent-encoded sequences (e.g. %ZZ) or truncated input can cause decode errors.

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