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CSS font-smooth

The font-smooth CSS property controls the application of anti-aliasing when fonts are rendered.

Last updated on : 2026-02-09

Browser Versions

IE

Edge

Firefox

Chrome

Safari

Opera

5.5 - 11

12 - 18

79 - 144

2 - 24

25 - 150

4 - 4

5 - 147

3.2 - 3.1

4 - 26.3

9.5 - 12

15 - 125

Fully Supported

Partially

No Support

Formal Definition

Inherited

yes

Applies to

all elements

Initial value

auto

Animation type

discrete

Computed value

as specified

Syntax

/* Keyword values */
 font-smooth: auto;
 font-smooth: never;
 font-smooth: always;
 /* <length> value */
 font-smooth: 2em;
 /* Global values */
 font-smooth: inherit;
 font-smooth: initial;
 font-smooth: revert;
 font-smooth: unset;

Browser Compatibility

CSS font-smooth on IE is not supported on any IE versions.

CSS font-smooth on Edge is partially supported on 79-144, and not supported on 12-18 Edge versions.

CSS font-smooth on Firefox is partially supported on 25-150, and not supported on 2-24 Firefox versions.

CSS font-smooth on Chrome is partially supported on 5-147, and not supported on 4-4 Chrome versions.

CSS font-smooth on Safari is partially supported on 4-26.3, and not supported on 3.2-3.1 Safari versions.

CSS font-smooth on Opera is partially supported on 15-125, and not supported on 9.5-12 Opera versions.

CSS font-smooth on Safari on iOS is not supported on any Safari on iOS versions.

CSS font-smooth on Android Browser is not supported on any Android Browser versions.

CSS font-smooth on Opera Mobile is not supported on any Opera Mobile versions.

CSS font-smooth on Chrome for Android is not supported on any Chrome for Android versions.

CSS font-smooth on Firefox for Android is not supported on any Firefox for Android versions.

CSS font-smooth on Samsung Internet is not supported on any Samsung Internet versions.

Browser Support for CSS font-smooth

CSS font-smooth on Chrome

CSS font-smooth on Safari

CSS font-smooth on Firefox

CSS font-smooth on Internet Explorer

CSS font-smooth on Opera

CSS font-smooth on Edge

References

Data sourced from

42

Low

Overall Browser Compatibility Score

Note:CSS font-smooth shows a browser compatibility score of 42. This is a collective score out of 100 to represent browser support of a web technology. The higher this score is, the greater is the browser compatibility. The browser compatibility score is not a 100% reflection for every browser and the web technology support. However, it does give you an estimate on how much you should rely on a particular web technology in terms of browser compatibility.

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