URL Encode / Decode Tool

Convert (encode / decode) using the URL encoding (Percent-encoding) method.

  • Encode
  • Decode
Source
※ The newline codes are converted to LF for calculation.
※ Note that the leading and trailing whitespace, newlines, and control characters have been removed.
Method
Source
Method

Description

Method

TypeDescription
RFC 3986Convert spaces to "%20".
This is used by JavaScript's encodeURI() and encodeURIComponent().
FormConvert spaces to "+".
This is used in "application/x-www-form-urlencoded", which is used when submitting an HTML form.

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News

2026/01/08 NEW
Added "Font file" to the tool "Font Comparison Tool".
You can load and use your own font files (.ttf, .otf, .woff, .woff2).
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