There's been several posts to GIS StackExchange along the lines of:
Where's my .qgis3 folder?
Prior to QGIS 3, the .qgis/.qgis2 folder was found under your home directory. At version 3, the folder has moved to a more standard profile location for your operating system.
There are a couple of ways to determine where the folder is located:
- Use the
Settings->User Profiles->Open active profile foldermenu item
QgsApplication.qgisSettingsDirPathfrom Python or the console
Here are the "standard" locations for Linux, Mac, and Windows, as found under your HOME directory:
- Mac OS X:
To get the location of your plugins directory, just add
python/plugins to the appropriate location above. For example:
Settings->User Profiles menu, you'll notice a
New profile item. This allows you to have multiple configurations of QGIS 3. Each new profile is created in the same "base" location as listed above. For example: