Contact emails
felipeer...@igalia.com

Explainer
None


Specification
https://www.w3.org/TR/css-text-3


Summary

Add the full-width value to the text-transform property. This value transforms 
ASCII characters and specific symbols into their full-width Unicode variants, 
so they visually align with ideographic characters. It is typically used in 
Japanese, Chinese, or Korean typesetting where uniform character width is 
expected.



Blink component
Blink>Layout


Motivation

Implementing text-transform: full-width simplifies styling, improves 
interoperability across browsers, and allows CSS to better support existing 
typographic conventions in Japanese, Chinese, and Korean publishing. Without 
it, developers must manually replace characters with their full-width Unicode 
equivalents (eg, via JavaScript or server-side rendering) when typesetting 
Latin text in East Asian languages. This is error-prone, inconsistent, and 
complicates localization workflows.



Initial public proposal
None


TAG review
None


TAG review status
Not applicable


Risks




Interoperability and Compatibility

None


Gecko: Shipped/Shipping

WebKit: Shipped/Shipping

Web developers: No signals

Other signals:


WebView application risks

Does this intent deprecate or change behavior of existing APIs, such that it 
has potentially high risk for Android WebView-based applications?

None




Debuggability

None



Is this feature fully tested by web-platform-tests?
Yes
https://wpt.fyi/results/css/css-text/text-transform/text-transform-fullwidth-001.xht
 
https://wpt.fyi/results/css/css-text/text-transform/text-transform-fullwidth-002.xht
 
https://wpt.fyi/results/css/css-text/text-transform/text-transform-fullwidth-004.xht
 
https://wpt.fyi/results/css/css-text/text-transform/text-transform-fullwidth-005.xht
 
https://wpt.fyi/results/css/css-text/text-transform/text-transform-fullwidth-006.html
 
https://wpt.fyi/results/css/css-text/text-transform/text-transform-fullwidth-007.html
 
https://wpt.fyi/results/css/css-text/text-transform/text-transform-fullwidth-008.html
 
https://wpt.fyi/results/css/css-text/text-transform/text-transform-fullwidth-009.html



Flag name on about://flags
None


Finch feature name
None


Non-finch justification
None


Requires code in //chrome?
False


Tracking bug
https://issues.chromium.org/issues/41297237


Estimated milestones

No milestones specified



Link to entry on the Chrome Platform Status
https://chromestatus.com/feature/5185842163351552?gate=5114004439695360


This intent message was generated by Chrome Platform Status.

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