Limited Availability

text-autospace

The text-autospace CSS property sets whether and how to insert spaces in inter-script text (such as when mixing Latin and Chinese characters) and around punctuation.

Baseline Status: This feature is currently Limited (not yet Baseline). Latest engine implementation shipped on Sep 14, 2026.

Desktop Browser Engine Support

Google Chrome

—

Unsupported

Mozilla Firefox

145

Supported

Apple Safari

27

Supported

Microsoft Edge

—

Unsupported

Mobile Browser Engine Support

Chrome Android

—

Firefox Android

145

Safari iOS

27

Specifications and References

Specification ↗ Feature XML ↗

MDN Browser Compat Data Keys:

css.properties.text-autospace ↗ css.properties.text-autospace.auto ↗ css.properties.text-autospace.ideograph-alpha ↗ css.properties.text-autospace.ideograph-numeric ↗ css.properties.text-autospace.insert ↗ css.properties.text-autospace.no-autospace ↗ css.properties.text-autospace.normal ↗