What is the URL Encode?
URL Encoding (Percent-encoding) is a mechanism for converting characters that have special meaning in URLs (like spaces, &, or =) into safe, valid ASCII text so browsers can route them properly.
Key Features
Encode raw text to URL strings
Decode URL parameters to text
Safe encodeURIComponent parsing
Real-time evaluation
How to use the URL Encode
- Select Encode or Decode.
- Paste your messy URL or text snippet into the top box.
- Copy the safe, web-ready output.
Examples
Input
Hello World & Friends
Output
Hello%20World%20%26%20Friends
Common Errors & Troubleshooting
Double Encoding
Encoding an already encoded URL will convert the '%' signs into '%25', breaking the link entirely.
Hello%20World -> Hello%2520World
When should you use this tool?
- Appending user input to API query strings.
- Fixing broken web links containing spaces.
- Decoding Google Analytics parameters.
What's the difference?
encodeURIComponent
Encodes everything, including /, ?, and =. Perfect for query parameters.
encodeURI
Leaves routing characters alone. Used for full URLs.
Tool Comparison
| Feature | ByteUtils |
|---|---|
| URL Encoding | |
| URL Decoding | |
| Client-side only |
Frequently Asked Questions
Why do I need to encode URLs?
URLs can only be sent using the ASCII character set. Spaces and emojis must be converted.
Privacy First
All processing happens directly in your browser. Your data, payloads, and files are never uploaded to our servers or tracked.
Tool Information
- Category: encoding-decoding
- Runs in Browser: Yes
- Requires Login: No
- Mobile Friendly: Yes