URL Encoder
Percent-encode URL strings for safe transmission in web requests.
What is the URL Encoder Tool?
Our free online URL Encoder helps you safely convert query strings, special characters, and parameter values into RFC-compliant percent-encoded formats. This ensures URLs are safely formatted for HTTP requests.
How to Use URL Encoder
- 1Enter your raw URL string or parameters in the Input box.
- 2The tool will instantly encode the query values.
- 3Copy the percent-encoded URL string to use in your API or web link.
Common Use Cases
- •Encoding query parameters containing spaces or symbols (like & or ?) for API endpoints.
- •Sanitizing redirect destination links containing state tokens.
- •Formatting complex query values to prevent server route conflicts.
🔒 Privacy & Processing Notice
This tool processes all data entirely in your browser using client-side JavaScript. Your input is never uploaded to any server, ensuring 100% privacy and confidentiality. No data is stored, logged, or transmitted.
Frequently Asked Questions
Why is URL encoding necessary?
URLs are restricted to a specific ASCII set. Reserved characters (like ? or &) have structural meanings and must be encoded when used inside parameter values.
What is percent-encoding?
Percent-encoding replaces unsafe characters with a '%' symbol followed by the two-digit hexadecimal representation of its character code.
Is URL encoding a secure hash?
No, it is a simple format normalization. It is easily decoded and provides no security or obfuscation.
Is URL Encoder free to use?
Yes, URL Encoder is 100% free with no signup required.
Is my data safe?
All processing happens in your browser. Your data never leaves your device.
Does it work offline?
Once the page loads, URL Encoder works entirely client-side.