Web platform features explorer - font-synthesis-style

Web platform features explorer

The font-synthesis-style CSS property sets whether or not the browser should synthesize italic and oblique typefaces when they're missing from the font.

Status

Baseline Widely Available (since 2025-09-27)

MDN documentation

font-synthesis-style

Specifications

CSS Fonts Module Level 4 (#font-synthesis-style), from Cascading Style Sheets (CSS) Working Group (W3C).

Browser support

Chrome 97 Released on 2022-01-04
Chrome Android 97 Released on 2022-01-04
Edge 97 Released on 2022-01-06
Firefox 111 Released on 2023-03-14
Firefox for Android 111 Released on 2023-03-14
Safari 16.4 Released on 2023-03-27
Safari on iOS 16.4 Released on 2023-03-27

Usage (according to Chrome Platform Status)

~0.026% of page loads. More data at chromestatus.com.

Web Platform Tests (WPT)

View the latest WPT test results for this feature

View as JSON | Edit this feature | Report an issue | Web-features entry: source, dist