fi
Finnish
Suomi
Uralic
Language Code
ISO 639-1 Code
fi
Common Usage
HTML lang attribute
<html lang="fi">
HTTP Accept-Language Header
Accept-Language: fi
JavaScript/TypeScript
const language = "fi"; const languageName = "Finnish";
ISO 639 Standard
ISO 639-1 is the international standard for language codes. These two-letter codes are used in HTML lang attributes, HTTP headers, and i18n/l10n systems. The code "fi" represents Finnish (Suomi) and is part of the Uralic language family.