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A JavaScript (JSON) tool for Notepad++ (formerly JSMinNpp) and Visual Studio Code.

  • Douglas Crockford's JSMin algorithm to minimize JavaScript code.
  • My own algorithm to format JavaScript code.
  • A JSON data viewer for Notepad++. This JSON data viewer can handle >10MB JSON file easily.
  • Support 64bit Notepad++ (from version 1.20.0, "" package).

Really helpful to JavaScript coder on Notepad++ and Visual Studio Code. Easy to use it.
Made in China.
Project site:

FEATURES (for Notepad++)

  • JavaScript minify.
  • JavaScript/JSON format.
  • Sort JSON data alphabetically.
  • JSON viwer with:
    • Search
    • Node expand/collapse
    • Node data copy

INSTALL (for Notepad++)

Install "JSTool" from Plugin Manager in Notepad++. Or download it from and copy JSMinNpp.dll to plugin directory of Notepad++.

FEATURES (for Visual Studio Code)

  • JavaScript minify.
  • JavaScript/JSON format.
  • More to come...

INSTALL (for Visual Studio Code)

Install "JSTool" (sunjw.jstool) from Visual Studio Code Extensions. Or "Download Extension" from then using the Install from VSIX... command in the Extensions view command drop-down, or the Extensions: Install from VSIX... command in the Command Palette, point to the .vsix file.


GPL 2.0


Sun Junwen sunjw8888 at