Encode special characters in URLs to make them safe for transmission, or decode percent-encoded strings back to readable text. Supports full URL encoding and component-level encoding.
Workspace
Use the tool below. Your inputs stay local when the tool supports browser-only processing.
Workflow
Type or paste the text or URL containing special characters like spaces, ampersands, or question marks into the input box. When you use this URL encoder decoder online tool, unsafe characters are instantly converted into their percent-encoded equivalents that browsers and servers can safely interpret.
Toggle between the encode and decode modes depending on your task. Select encode to transform plain text into a URL-safe format, or switch to decode if you need to convert an encoded URL back into its original human-readable form using this free URL encoder decoder online tool.
The converted string appears immediately in the output field ready for use. Copy the result and insert it into your application code, query parameters, or API calls to ensure reliable data transmission across the web.
You need a URL encoder decoder online whenever your URL contains characters that have special meaning in web addresses, such as spaces, ampersands, percent signs, or non-ASCII characters. This is especially common when building query parameters dynamically, constructing API request URLs, or processing user-submitted form data that includes special symbols.
URL encoding transforms unsafe characters into a percent-sign followed by two hexadecimal digits, making the string safe for transmission over the internet. URL decoding reverses this process, converting percent-encoded sequences back into their original characters so you can read the actual value stored in the URL parameter.