.YTF File Extension
What is a YTF file?
File contains font used by Google Picasa, an image sharing and editing program; holds the font type, size, and weight.
Picasa enables the user to organize, edit, and share their photos. The user can share Picasa photo albums through Google+ with other users. Picasa also has an array of editing effects such as vignette, duo-tone, and borders.
Common YTF Filenames
Arial-12-1.000000-400-0.ytf - common font and size used by Picasa.