URL Encoder / Decoder
Encode and decode URLs and query string parameters.
Browser RAM • 0 Uploads
Engine: Client JavaScript
Zero-Upload In-Browser Execution GuaranteeVerified Local RAM
Processed directly on your device. Nothing is uploaded. This tool uses native Web APIs, Canvas, and client-side WebAssembly to process your files inside local browser RAM. No server receives your file, no telemetry logs your data, and no account is required.
Key Capabilities
- Encode URI Component (for query parameters) or Full URI mode
- Decode percent-encoded entities instantly
- Handles special characters (?, &, =, #, space, /, +)
How To Use
1
Choose Action
Toggle Encode or Decode.
2
Input URL
Paste your link or parameter string.
3
Copy Result
Grab the encoded or decoded string.
Frequently Asked Questions
What is the difference between encodeURI and encodeURIComponent?
encodeURI preserves structural URL characters like '/', ':', and '?', while encodeURIComponent encodes everything, making it safe for query parameters.