By default each font includes the Basic Latin (1) and the Latin-1 Supplement (2), covering Western European, American and most of the African languages: Afrikaans, Alsatian, Basque, Bislama, Breton, Catalan, Chamorro, Danish, Dutch, English, Faroese, Finnish, Flemish, French, Frisian, Friulian, Galician, German, Greenlandic, Icelandic, Indonesian, Irish, Italian, Ladin, Norwegian, Occitan, Portuguese, Romansh, Sami, Scottish, Spanish, Swahili, Swedish and Welsh.
Except for heavy textured fonts, the standard content is often extended to unlimited character sets (3). Extended language support includes Americanist, Avar, Azeri, Balkar, Belarusian, Bulgarian, Chechen, Croatian, Czech, Dutch, Erzya, Greek, Hungarian, Ingush, Khoisan, Latvian, Lezgian, Lithuanian, Macedonian, Moldavian, Ossetian, Pan‑Nigerian, Pinyin, Polish, Romanian, Russian, Serbian, Slovak, Slovenian, Turkish, Ukrainian, Vietnamese, Zulu.
Please note that supported languages are not listed, special characters should be tested with the Insert option. Online the insert function is available in the Try section, in vector softwares this is usually located in the Type or Text menu.
To preview an extended range of characters and features a font can carry, see the Sans-Titre Pro prototype font, and keep in mind that with more than 6300 glyphs this is still considered incomplete.