URL Encoder / Decoder
Easily encode or decode URL strings and query parameters in real-time safely and securely.
The URL Encoder and Decoder simplifies the process of making Uniform Resource Locators safe for web transmission. URLs often contain special characters that must be translated into a valid percent-encoded format to be processed correctly by web browsers and servers. This tool offers instant bidirectional conversion—perfect for developers embedding links, creating API requests, or debugging malformed query parameters. All transformations occur instantly on your device.
How to use URL Encoder / Decoder
1
Encode a URL: Paste your text or unsafe URL in the left box; it will instantly convert to a safe, encoded format on the right.
2
Decode a URL: Paste percent-encoded text (%20, %3F, etc.) into the right box to revert it to human-readable text.
3
Copy and Use: Click the copy button above either field to copy the text to your clipboard.
Frequently Asked Questions
Why do URLs need encoding?
URLs can only be sent over the Internet using the ASCII character-set. Unsafe characters like spaces must be converted to valid formats like %20.
What standard does this use?
It uses standard JavaScript encodeURIComponent and decodeURIComponent functions, adhering to RFC 3986.
Is the data logged?
No, all URL conversion happens securely inside your browser window without communicating with a server.
Will it encode the entire URL or just parameters?
It performs component encoding, so it will encode special URL characters like ? and &, making it ideal for query parameters.
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