URL Encoder/Decoder
URL Encoder & Decoder
Encode and decode URLs for web development. Handle special characters, query strings, and URL components with professional validation.
Encoding Settings
Input (Plain Text/URL)
Output (Encoded)
URL Encoding Guide
When to Use
- Query parameters with special characters
- Form data submission
- API endpoints with spaces
- Email mailto links
Common Characters
%20%21%26%3DAbout URL Encoder/Decoder
Safely encode and decode URLs with support for different encoding types and validation.
Common Use Cases
Safely encode special characters in URL query parameters for proper web form submission and API calls.
Create valid search URLs with encoded query terms containing spaces and special characters.
Encode path parameters and query strings for REST API calls and web service integration.
Encode form inputs containing special characters for safe HTTP POST and GET requests.
Create properly encoded mailto links and email template URLs with special characters.
Encode URLs and text for sharing on social platforms with proper character handling.
Encode UTM parameters and campaign URLs for accurate analytics tracking and reporting.
Safely encode destination URLs for redirects and URL shortening services.
Process and clean URLs for bookmark systems and link management applications.
Handle encoded URLs found in web scraping and data extraction processes.
Examples & Demonstrations
Encode 'hello world & more' to 'hello%20world%20%26%20more' for safe URL query parameters.
Input:
Search Query Encoding
Output:
Encode 'hello world & more' to 'hello%20world%20%26%20more' for safe URL query parameters.
Transform 'Question about pricing?' to 'Question%20about%20pricing%3F' for mailto links.
Input:
Email Subject Encoding
Output:
Transform 'Question about pricing?' to 'Question%20about%20pricing%3F' for mailto links.
Convert 'user@example.com' to 'user%40example.com' for API path parameters and queries.
Input:
API Parameter Encoding
Output:
Convert 'user@example.com' to 'user%40example.com' for API path parameters and queries.
Encode 'Check this out: https://example.com/page?id=123' for social sharing platforms.
Input:
Social Media URL Sharing
Output:
Encode 'Check this out: https://example.com/page?id=123' for social sharing platforms.
Tips & Best Practices
Use full encoding for complete URLs, component encoding for URL parts, and query encoding for parameters only.
Always test encoded URLs to ensure they work correctly in your target application or browser.
URL encoding properly handles Unicode characters for international domain names and multilingual content.
Avoid encoding already-encoded URLs, which can cause double-encoding issues and broken links.
Different systems may handle encoded URLs differently - test in your specific use case environment.
URL encoding increases length - be aware of browser and server URL length limits (typically 2048 characters).
Proper URL encoding helps prevent injection attacks and ensures data integrity in web applications.
Maintain consistent URL encoding practices across your application for better maintainability.
Related Tools
Frequently Asked Questions
What's the difference between URL encoding types?
Full encoding encodes the entire URL, component encoding handles URL parts separately (preserving structure), and query encoding focuses only on query parameter values.
Why do some characters get encoded differently?
URL encoding follows RFC 3986 standards. Reserved characters (:, /, ?, #, &, =) have special meanings in URLs and must be encoded when used as data.
Should I encode URLs before storing in databases?
Generally no. Store original URLs and encode only when constructing URLs for HTTP requests. This preserves data integrity and allows for different usage contexts.
How do I handle international domain names?
International domain names use Punycode encoding (different from URL encoding). URL encoding handles the path and query parts of international URLs.
Can URL encoding break my links?
Improper encoding can break links. Always use the appropriate encoding type and test encoded URLs. Avoid double-encoding already-encoded URLs.
Why Choose URL Encoder/Decoder?
Our url encoder/decoder stands out from other online tools with its precision, speed, and user-friendly interface. Built by engineers for professionals, students, and everyday users, it provides accurate results instantly without requiring any software installation or registration.
With robust error handling, multiple format support, and responsive design, this tool works seamlessly across all devices and browsers. Trust ConvertLarge for all your conversion and calculation needs.