Fonts
Font viewer for GNOME
Fonts shows you the fonts installed on your computer for your use as thumbnails. Selecting any thumbnails shows the full view of how the font would look under various sizes.
Fonts also supports installing new font files downloaded in the .ttf and other formats. Fonts may be installed only for your use or made available to all users on the computer.
This program can preview fonts and create thumbnails for fonts.
How to install Fonts in Ubuntu
If you are on a supported distro, you can install the application through software center by clicking the below link.
If the above link not working, run the below command in terminal to install gnome-font-viewer in Ubuntu
sudo apt install gnome-font-viewer
Fonts Screenshots