URL Encoder and Decoder Online
Safely encode or decode URLs for web requests, API query strings, and debugging. Our online percent-encoding tool handles special characters, spaces, and non-ASCII symbols instantly to ensure your links are RFC-compliant. Built for privacy-first development: all processing happens 100% locally in your browser. No data is ever sent to a server, keeping your sensitive parameters secure.
URL Encoder / Decoder
Encode URLs for safe web requests or decode them back to readable format.
Output
Waiting for input...
Why Use This URL Encoder?
A fast, privacy-first URL encoding tool for safely encoding and decoding links used in web requests, APIs, and debugging.
100% Private
All encoding runs locally. No data is uploaded.
Instant Encoding
Encode or decode URLs instantly.
Two-Way Tool
Convert readable URLs to encoded and back.
Works Everywhere
Works on desktop and mobile browsers.
Developer Friendly
Perfect for query strings, APIs, and debugging.
Completely Free
No signup, no limits, free forever.
Encode and Decode URLs for Web Requests
This URL encoder and decoder converts readable links into a safe encoded format used in web requests, query parameters, and APIs. Special characters such as spaces, symbols, and non-ASCII text are transformed into percent-encoded values that browsers and servers can process correctly.
Developers commonly encode URLs when sending data through GET requests, building query strings, or debugging HTTP requests. The tool works entirely in your browser so links and parameters remain private on your device.
Safe URLs
Convert special characters into valid web format.
Decode Back
Restore encoded links to readable text.
API Debugging
Test query strings and request parameters.
Local Processing
Data never leaves your browser.
How URL Encoding Works
URL encoding replaces characters that are not allowed in web addresses with percent-encoded values. For example, a space becomes %20 and special symbols are converted into hexadecimal codes so the browser and server interpret the request correctly.
When decoding, the tool reverses the process and converts encoded characters back into their original readable form. This helps inspect query parameters, troubleshoot API calls, and understand redirected links.
All encoding and decoding happens directly inside your browser. Because no request is sent to a server, sensitive URLs, tokens, or parameters remain private and are not stored anywhere online.
Query Parameters
Safely send data in GET requests.
Readable Links
Decode encoded URLs to normal text.
Private Processing
Links are processed locally on your device.
URL Encoder – FAQs
Yes. All encoding and decoding happens locally in your browser. No data is uploaded to any server.
URLs, query strings, parameters, and special characters.
Yes. You can decode encoded URLs back to readable form.
Yes. Once loaded, the URL encoder works fully offline.
There is no fixed limit. It depends on your browser and available memory.
No. URL encoding is not encryption. It only makes URLs safe for transmission.
Yes. It is completely free with no signup, no ads, and no hidden limits.
Keep your special characters from causing a 404 meltdown. After you've escaped your URL, you can generate a QR Code for easy sharing, or use the Base64 tool if you're passing that data through a header instead of a link.
Learn how to use this tool properly
Step-by-step guide, tips, and common fixes.