URL Encode / Decode
Dealing with broken links or messy URL parameters? Our free URL Encode/Decode tool translates spaces and special characters into safe web formats instantly.
What is the URL Encode / Decode - Parse Web Addresses?
The URL Encode/Decode tool is a web development utility. It converts characters that are not allowed in web addresses (like spaces, ampersands, or question marks) into safe 'percent-encoded' formats, and vice versa.
How to use the URL Encode / Decode - Parse Web Addresses
- Select whether you want to 'Encode' or 'Decode'.
- Paste your text or messy URL into the input field.
- The tool instantly parses the string and provides the converted URL.
Example
If you encode the string 'Hello World!', the space is not allowed in a URL. The tool replaces the space with '%20' and the exclamation point with '%21', resulting in 'Hello%20World%21'.
Understanding Your Results
The encoded result can be safely appended to a web URL or API request without breaking the link. The decoded result turns a messy link back into readable, human text.
Common Use Cases
- Web Analytics: Building UTM tracking links that contain spaces or special characters in the campaign name.
- API Development: Safely passing complex JSON data or search queries as a URL parameter.
- Debugging: Decoding a long, confusing URL copied from a web browser to read exactly what parameters are being passed.
How it Works
URL Encoding (Percent-encoding) replaces unsafe ASCII characters with a '%' followed by their two-digit hexadecimal equivalent. The tool uses standard browser APIs (`encodeURIComponent` and `decodeURIComponent`) to execute this perfectly.
Tips & Accuracy Notes
- •Be careful not to encode an entire, already-valid URL (like 'https://google.com'). It will encode the colons and slashes, breaking the link. Only encode the specific parameters or paths.
- •In modern URL encoding, spaces are converted to '%20', though in older form submissions they were sometimes converted to '+'.
Frequently Asked Questions
What is Percent Encoding?
Percent encoding is the official mechanism for encoding information in a Uniform Resource Identifier (URI). It guarantees that URLs only contain universally accepted, safe ASCII characters.
Why did my link break?
URLs cannot contain spaces or certain special characters (like ?, &, =, #) because those characters have specific programmatic meanings in a web browser. Encoding prevents these errors.
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Disclaimer: Tool uses strict URI component encoding. Be sure to only encode the query parameters, not the base protocol (http://) of the link.