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URL Encoder & Decoder

Percent-encode or decode URLs and query strings — instantly and privately.

Your text

Encode uses encodeURIComponent for query-string values.

How to use the URL Encoder & Decoder

  1. Paste the URL or query parameter value.
  2. Choose whether to encode or decode.
  3. Copy the escaped or unescaped result.

Features

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Frequently Asked Questions

Common questions about the free online url encoder & decoder.

URL encoding (percent-encoding) converts reserved and special characters into a safe form for URLs.
Paste your text into the box and click Encode to get the Base64 result.
Paste the Base64 text into the box and click Decode to read the original.
It is the percent-encoded form of a space, which a URL cannot contain literally.
No. Everything runs locally in your browser, so your data never leaves your device.
When building query strings that contain spaces or special characters.
Yes. The tool is fully responsive and works in any modern browser on desktop, tablet and phone.
Spaces, ampersands, question marks, hashes, equals signs, percent signs and non-ASCII characters.
The only practical limit is the memory available on your device.

Last updated: October 10, 2026