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CSS3 font-kerning

Font-kerning allows the adjustment of the spacing between letters, providing users with full control over the appearance of their content.

Last updated on : 2026-02-09

Browser Versions

IE

Edge

Firefox

Chrome

Safari

Opera

5.5 - 11

12 - 18

79 - 144

2 - 33

34 - 150

4 - 28

29 - 147

3.2 - 6

7.1 - 26.3

9.5 - 15

16 - 125

Fully Supported

Partially

No Support

Formal Definition

Inherited

yes

Applies to

all elements. It also applies to ::first-letter and ::first-line.

Initial value

auto

Animation type

discrete

Computed value

as specified

Specifications

CSS Fonts Module Level 4 # font-kerning-prop

Syntax

font-kerning: auto;
 font-kerning: normal;
 font-kerning: none;
 /* Global values */
 font-kerning: inherit;
 font-kerning: initial;
 font-kerning: revert;
 font-kerning: unset;

Browser Compatibility

CSS3 font-kerning on IE is not supported on any IE versions.

CSS3 font-kerning on Edge is fully supported on 79-144, and not supported on 12-18 Edge versions.

CSS3 font-kerning on Firefox is fully supported on 34-150, and not supported on 2-33 Firefox versions.

CSS3 font-kerning on Chrome is fully supported on 29-147, and not supported on 4-28 Chrome versions.

CSS3 font-kerning on Safari is fully supported on 7.1-26.3, and not supported on 3.2-6 Safari versions.

CSS3 font-kerning on Opera is fully supported on 16-125, and not supported on 9.5-15 Opera versions.

CSS3 font-kerning on Safari on iOS is fully supported on 8.1-26.3, and not supported on 3.2-7 Safari on iOS versions.

CSS3 font-kerning on Android Browser is fully supported on 4.4-144, and not supported on 2.3-4 Android Browser versions.

CSS3 font-kerning on Opera Mobile is fully supported on 64-80, and not supported on 10-12 Opera Mobile versions.

CSS3 font-kerning on Chrome for Android is fully supported on all Chrome for Android versions.

CSS3 font-kerning on Firefox for Android is fully supported on all Firefox for Android versions.

CSS3 font-kerning on Samsung Internet is fully supported on all Samsung Internet versions.

Browser Support for CSS3 font-kerning

CSS3 font-kerning on Chrome

CSS3 font-kerning on Safari

CSS3 font-kerning on Firefox

CSS3 font-kerning on Internet Explorer

CSS3 font-kerning on Opera

CSS3 font-kerning on Edge

References

Data sourced from

92

High

Overall Browser Compatibility Score

Note:CSS3 font-kerning shows a browser compatibility score of 92. 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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