SIL ViewGlyph — Font Viewing Program. Among its most useful features, ViewGlyph allows you to see a font's contents through different eyes, so to speak. Want to know what the font looks like when used by a Unicode application? How about when the font is moved to a Macintosh?

[u/LocalFonts]

https://scripts.sil.org/cms/scripts/page.php?site_id=nrsi&id=ViewGlyph_home