JavaScriptミニファイア

このツールの使い方

1. 1

   Paste or type your JavaScript into the input textarea.

2. 2

   The minified output appears instantly in the panel below as you type — there is no button to press.

3. 3

   Check the size readout (original length, an arrow, and minified length) to see how much was removed.

4. 4

   Select the text in the output box and copy it manually into your file.

JavaScriptミニファイアとは何ですか？

よくある活用例

• Quickly shrinking a short, comment-heavy snippet before pasting it into a tight inline <script> tag.

• Stripping comments out of a code sample to share a compact version in a chat or gist.

• Estimating roughly how much comment and whitespace overhead a small file carries before setting up a real build.

• Cleaning up a hand-written configuration object or constant block that has no strings containing slashes.

• Demonstrating to students or teammates what basic comment and whitespace removal looks like versus a real compiler.

• Minifying a tiny utility function for a bookmarklet where pulling in a full toolchain is overkill.

よくある質問