Limited supportUse with care and confirm browser support before shipping it to all users.

Overview

The font-language-override CSS property sets which language-specific glyphs are displayed. It is useful when you need more deliberate control over presentation or behavior in a focused part of the interface.

Browser support

Feature Desktop Mobile
Chrome
Edge
Firefox
Safari
Chrome Android
Safari iOS
143
143
34
143
1+Supported (version) Not supported Has note Sub-feature descriptions sourced from MDN Web Docs (CC BY-SA 2.5)
Notes 1 item(s)
Compatibility
  • Available with a vendor prefix: -moz- (4)

Syntax

CSS
.serbian {
  font-language-override: "SRB";
}
.turkish {
  font-language-override: "TRK";
}

Live demo

Serbian

CSS Serbian demo.

PreviewFullscreen

Turkish

CSS Turkish demo.

PreviewFullscreen

Default

CSS default demo.

PreviewFullscreen

Use cases

  • Refine text rhythm

    Use font-language-override to make long-form reading or dense interface copy easier to scan and understand.

  • Support language nuances

    Apply font-language-override when different writing systems or typographic conventions need more deliberate control.

Cautions

  • Test font-language-override in the browsers you support, especially if it changes layout, text handling, or interaction behavior.
  • Plan a fallback or acceptable degradation path when support is still limited.

Accessibility

  • Check readability with zoom, narrow screens, and mixed-language content so text remains understandable.

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