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URL Encoder/Decoder

Encode and decode URLs and URL components instantly. Free, private, runs in your browser.

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URL Encoder / Decoder

Encode and decode URL components. Supports both encodeURIComponent and encodeURI modes.

Component (encodeURIComponent): Encodes all special characters including / ? # & =

Full URI (encodeURI): Preserves URL structure characters like / ? # &

Input
Output

How to Use URL Encoder/Decoder

  1. 1

    Enter your text or URL

    Paste a URL, query parameter value, or encoded string into the input field.

  2. 2

    Choose mode and type

    Select Encode or Decode, then pick Component mode for query parameters or Full URI mode for complete URLs.

  3. 3

    Process and copy

    Click the action button to process, then use Copy Output to grab the result.

Frequently Asked Questions

Component mode (encodeURIComponent) encodes everything including /, ?, #, and & characters. This is what you want for encoding query parameter values. Full URI mode (encodeURI) preserves URL structure characters so the URL remains valid.

URL encoding is needed whenever you include special characters in URLs, such as spaces, non-ASCII characters, or reserved characters like &, =, and #. It ensures the URL is valid and interpreted correctly.

Yes. This tool is completely free and runs entirely in your browser. No data is sent to any server.

Yes. Both modes properly handle Unicode characters by encoding them as UTF-8 percent-encoded sequences.