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URL Encoder Pro

Encode or decode URLs instantly using standard percent-encoding. Perfect for API parameters and query strings.

Tool
Ctrl+Enter to encode
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Frequently Asked Questions

URL encoding (percent-encoding) replaces special characters in a URL with a % followed by their hexadecimal ASCII value. For example, spaces become %20 and special characters like & or # are encoded to prevent URL parsing issues.
URLs can only contain certain safe characters (A-Z, a-z, 0-9, and a few special characters). Encoding ensures special characters, spaces, and non-ASCII characters are transmitted safely without breaking the URL structure.
Yes. All encoding and decoding happens entirely in your browser using JavaScript's built-in encodeURIComponent and decodeURIComponent functions. Your data never leaves your device.