notepad
I had Notepad++ 7.5.8 (npp.7.5.8). It does not have plugin manager; previous versions used to have it. I followed these instructions.
I downloaded it from
https://sourceforge.net/projects/npp-compare/
ComparePlugin.readme.txt
To install copy ComparePlugin.dll into the plugins directory C:\Program Files\Notepad++\Plugins
I did not work. Plugins menu did not have ComparePlugin. It had other plugins though.
To convert existing tabs to spaces, press Edit->Blank Operations->TAB to Space.
If in the future you want to enter spaces instead of tab when you press tab key:
Settings->Preferences...->Language (since version 7.1) or Settings->Preferences...->Tab Settings (previous versions)Replace by spaceTab size field.
Update:
As of Notepad++ v7.6, use Plugin Admin to install JSTool per this answer
INSTALL
Download it from http://sourceforge.net/projects/jsminnpp/ and copy JSMinNpp.dll to plugin directory of Notepad++. Or you can just install "JSTool" from Plugin Manager in Notepad++.
New Notepad++ install and where did PluginManager go? See How to view Plugin Manager in Notepad++
{
"menu" : {
"id" : "file",
"value" : "File",
"popup" : {
"menuitem" : [{
"value" : "New",
"onclick" : "CreateNewDoc()"
}, {
"value" : "Open",
"onclick" : "OpenDoc()"
}, {
"value" : "Close",
"onclick" : "CloseDoc()"
}
]
}
}
}
Tip: Select the code you want to reformat, then Plugins | JSTool | JSFormat.
Best Answer
2019-02-21
Alternative
Notepad++ version 7.6.2 x64 bit.
Plugins -> enter compare and install it.