URL Encoder/Decoder
Encode URLs for safe transmission or decode encoded URLs. Handles special characters and query parameters.
developer tools
urlencodedecodeencoderdecoder
How It Works
URL Encoder / Decoder
Output
About URL Encoding
URL encoding (percent-encoding) converts characters into a format that can be transmitted over the Internet.
Characters encoded: All non-alphanumeric characters except - _ . ~ are converted to % followed by two hexadecimal digits.
Common use cases:
- Query string parameters in URLs
- Form data submission
- API requests with special characters
- Embedding URLs within other URLs
Examples:
Space →
%20 or +! → %21# → %23$ → %24% → %25& → %26' → %27( → %28) → %29* → %2AAll processing happens locally in your browser. Your data is never sent to any server.
How to Use
- Select or drag and drop your file(s) into the upload area
- Adjust settings if available (quality, dimensions, etc.)
- Click the process/convert button
- Download the result
Features
- Completely free - no registration required
- Processed locally in your browser - files never uploaded
- Works offline once loaded
- Supports multiple file formats
- Fast processing with no server delays
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Frequently Asked Questions
What characters are encoded?
All non-alphanumeric characters except - _ . ~ are percent-encoded.