word-breakBaseline · Widely available
The word-break CSS property sets how lines break within words.
Supported in all major browsers for at least 30 months — safe to use without fallbacks. Baseline since Sep 30, 2015. Widely available since Mar 30, 2018.
Browser support
DesktopChrome
1–43Not supported
44+Supportedsince Jul 21, 2015
Current: 155Edge
12+Supportedsince Jul 29, 2015
Current: 154Firefox
1–14Not supported
15+Supportedsince Aug 28, 2012
Current: 157Safari
1–8Not supported
9+Supportedsince Sep 30, 2015
Current: 27MobileChrome Android
18–43Not supported
44+Supportedsince Jul 29, 2015
Current: 155Firefox Android
4–14Not supported
15+Supportedsince Aug 28, 2012
Current: 157Safari iOS
1–8Not supported
9+Supportedsince Sep 16, 2015
Current: 27How to use
This feature is Baseline widely available — use it freely, no fallback needed.
Example
Full syntax and examples are on MDN: word-break.
Feature detection
CSS · check before using
@supports (word-break: initial) {
/* styles that rely on word-break */
}
/* or in JavaScript */
if (CSS.supports("word-break", "initial")) {
// use it
}Documentation (MDN)
Specification
Usage share
Sub-features
Support for each part of the feature (4). The overall table above shows when the whole feature works.
| Sub-feature | Chrome | Edge | Firefox | Safari | Chrome Android | Firefox Android | Safari iOS |
|---|---|---|---|---|---|---|---|
| word-break | 1 | 12 | 15 | 3 | 18 | 15 | 2 |
| word-break.break-all | 1 | 12 | 15 | 3 | 18 | 15 | 2 |
| word-break.keep-all | 44 | 12 | 15 | 9 | 44 | 15 | 9 |
| word-break.normal | 1 | 12 | 15 | 3 | 18 | 15 | 2 |