URL Encoder / Decoder
Encode and decode URLs, query parameters, and special characters with proper percent encoding.
URL Encoder & Decoder Tool
Safely encode and decode URLs with percent encoding. Convert special characters to URL-safe format for web applications, APIs, and query parameters.
Bidirectional Conversion
Encode plain text to URL-safe format and decode percent-encoded URLs back to readable text with one click.
Smart Swap Function
Instantly swap input and output with the smart swap feature for quick reverse operations and testing.
Safe Character Handling
Properly handle special characters, international text, and reserved URL characters for secure web transmission.
Common Use Cases
- API Query Parameters
Encode search terms and data for REST API requests
- Form Data Submission
Handle HTML form submissions with special characters
- URL Path Encoding
Create safe URLs with spaces and special characters
- International Characters
Handle Unicode and non-ASCII characters in URLs
Encoding Examples
Space→ %20"Hello World" → "Hello%20World"
Symbols→ %XX"user@domain.com" → "user%40domain.com"
Query→ Encoded"name=John&age=30" → "name%3DJohn%26age%3D30"
Unicode→ UTF-8"café" → "caf%C3%A9"
🌐 URL Encoding Best Practices
• Always encode query parameters
Prevent URL parsing errors with special characters
• Use UTF-8 encoding for international text
Ensure proper handling of non-ASCII characters
• Don't double-encode URLs
Check if data is already encoded before processing
• Test with edge cases
Verify handling of spaces, symbols, and Unicode