How to install many font files quickly and easily?

Solution 1:

Just create a .fonts folder in your home directory (if it doesn't exist) and unpack/copy them there.

It's also a good idea to manually rebuild the font cache, so you can immediately use the fonts everywhere:

fc-cache -f -v

For more details see also https://wiki.ubuntu.com/Fonts

Solution 2:

Font Manager

Can manage multiple fonts easily with this application.

Can install mutiple fonts at a once.

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To install new fonts click on "Manage Fonts" button as on the picture and click on "Install Fonts" in menu.

Can be installed with Software Center or with this command;

sudo apt-get install font-manager