Bitmap Font Importer is just perfect Unity asset plugin to import any custom bitmap font to your project.
It easy imports any bitmap font generated by third party tools like:littera, bmGlyph, Glyph Designer 2, ShoeBox or Bitmap Font Generator

Thiks @Xylph, this origin code form here

Feature list:

• Free
• Auto Import bitmap fonts
• Support XML and Plain text format of .fnt
• Reimport exists bitmap font
• Source Code on Github
• Tested with Unity 5.x
• No runtime resources required
• No scripting required

How to Use?

Please see here

Support

• Create issues by issues page
• Send email to me: [email protected]

ChangeLog

https://github.com/lite3/Unity-BitmapFontImporter/blob/master/Assets/BitmapFontImporter/CHANGELOG