URL Decoder Online | Free Secure Decode Tool

Decode URL-encoded strings into readable text instantly. Free, client-side, and safe for sensitive query parameters because nothing is uploaded.

Click for theater mode

Decoding locally in real time. No parameters are uploaded.

Decoded Result

Open URL Encoder
https://example.com/search?q=URL%20Decoder&access_token=redacted&lang=zh-CN
Re-encoded Preview
https%3A%2F%2Fexample.com%2Fsearch%3Fq%3DURL%2520Decoder%26access_token%3Dredacted%26lang%3Dzh-CN

Useful for links with access_token, utm, or non-Latin parameters. Be careful when sharing decoded sensitive content.

How to Use

  1. Paste an encoded URL, for example https%3A%2F%2Fexample.com%2Fsearch%3Fq%3DURL%2520Decoder.
  2. Review the readable URL in the "Decoded Result" panel.
  3. If a malformed URI warning appears, check for incomplete % escape fragments.
  4. Click "Copy Result" to save the readable URL, or open the URL Encoder for the reverse workflow.

Core Features

  • Instant URL Decoding: Paste escape sequences such as %20 or %E4%B8%AD and see readable output immediately.
  • Safer for Sensitive Parameters: Decoding runs locally in your browser with no uploads or server logs.
  • Malformed URI Handling: Broken percent sequences show a clear warning instead of crashing the page.
  • Copy, Clear, and Re-Encode: Copy the decoded result, reset the input, or jump to the URL Encoder.
  • Fast by Design: No login, no network round trip, and no waiting for server-side processing.

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Calculation Logic

This tool uses the browser-native decodeURIComponent method to turn hexadecimal URL escape sequences back into their original characters, such as %20 for a space and %3D for an equals sign.

Everything runs in the current browser tab. No network request is needed, and your URLs, query parameters, access tokens, or personal data are not sent to a server.

FAQ

Is this URL decoder free to use?

Yes. It is free and does not require an account.

Is it safe to decode URLs containing passwords or API tokens here?

Yes. The tool runs locally in your browser and does not upload your input. You should still remove sensitive parameters before copying, screenshotting, or sharing decoded links.

What is the difference between encode and decode?

Encode converts special characters into %XX sequences. Decode reverses that process and restores readable characters.

Why do I get a malformed URI error?

The input usually contains an incomplete percent escape, such as %E0%A4%A, where the byte sequence is cut off.