{
 "compat_features": [
  "css.properties.font-synthesis-weight",
  "css.properties.font-synthesis-weight.auto",
  "css.properties.font-synthesis-weight.none"
 ],
 "description": "The font-synthesis-weight CSS property sets whether or not the browser should synthesize bold typefaces when they're missing from the font.",
 "description_html": "The <code>font-synthesis-weight</code> CSS property sets whether or not the browser should synthesize bold typefaces when they're missing from the font.",
 "group": [
  "font-synthesis"
 ],
 "kind": "feature",
 "name": "font-synthesis-weight",
 "spec": [
  "https://drafts.csswg.org/css-fonts-4/#font-synthesis-weight"
 ],
 "status": {
  "baseline": "high",
  "baseline_high_date": "2025-09-27",
  "baseline_low_date": "2023-03-27",
  "by_compat_key": {
   "css.properties.font-synthesis-weight": {
    "baseline": "high",
    "baseline_high_date": "2025-09-27",
    "baseline_low_date": "2023-03-27",
    "support": {
     "chrome": "97",
     "chrome_android": "97",
     "edge": "97",
     "firefox": "111",
     "firefox_android": "111",
     "safari": "16.4",
     "safari_ios": "16.4"
    }
   },
   "css.properties.font-synthesis-weight.auto": {
    "baseline": "high",
    "baseline_high_date": "2025-09-27",
    "baseline_low_date": "2023-03-27",
    "support": {
     "chrome": "97",
     "chrome_android": "97",
     "edge": "97",
     "firefox": "111",
     "firefox_android": "111",
     "safari": "16.4",
     "safari_ios": "16.4"
    }
   },
   "css.properties.font-synthesis-weight.none": {
    "baseline": "high",
    "baseline_high_date": "2025-09-27",
    "baseline_low_date": "2023-03-27",
    "support": {
     "chrome": "97",
     "chrome_android": "97",
     "edge": "97",
     "firefox": "111",
     "firefox_android": "111",
     "safari": "16.4",
     "safari_ios": "16.4"
    }
   }
  },
  "support": {
   "chrome": "97",
   "chrome_android": "97",
   "edge": "97",
   "firefox": "111",
   "firefox_android": "111",
   "safari": "16.4",
   "safari_ios": "16.4"
  }
 },
 "id": "font-synthesis-weight",
 "groups": [
  "font-synthesis"
 ],
 "specs": [
  {
   "url": "https://drafts.csswg.org/css-fonts-4/#font-synthesis-weight",
   "seriesComposition": "full",
   "shortname": "css-fonts-4",
   "series": {
    "shortname": "css-fonts",
    "currentSpecification": "css-fonts-4",
    "title": "CSS Fonts",
    "shortTitle": "CSS Fonts",
    "releaseUrl": "https://www.w3.org/TR/css-fonts/",
    "nightlyUrl": "https://drafts.csswg.org/css-fonts/"
   },
   "seriesVersion": "4",
   "seriesNext": "css-fonts-5",
   "organization": "W3C",
   "groups": [
    {
     "name": "Cascading Style Sheets (CSS) Working Group",
     "url": "https://www.w3.org/groups/wg/css/"
    }
   ],
   "release": {
    "url": "https://www.w3.org/TR/css-fonts-4/",
    "status": "Working Draft",
    "filename": "Overview.html"
   },
   "nightly": {
    "url": "https://drafts.csswg.org/css-fonts-4/",
    "status": "Editor's Draft",
    "alternateUrls": [
     "https://w3c.github.io/csswg-drafts/css-fonts-4/",
     "https://w3c.github.io/csswg-drafts/css-fonts/"
    ],
    "repository": "https://github.com/w3c/csswg-drafts",
    "sourcePath": "css-fonts-4/Overview.bs",
    "filename": "index.html"
   },
   "title": "CSS Fonts Module Level 4",
   "source": "w3c",
   "shortTitle": "CSS Fonts 4",
   "categories": [
    "browser"
   ],
   "standing": "good",
   "tests": {
    "repository": "https://github.com/web-platform-tests/wpt",
    "testPaths": [
     "css/css-fonts"
    ]
   },
   "fragment": "font-synthesis-weight"
  }
 ],
 "mdnUrls": [
  {
   "slug": "Web/CSS/Reference/Properties/font-synthesis-weight",
   "title": "`font-synthesis-weight` CSS property",
   "anchor": null,
   "url": "https://developer.mozilla.org/docs/Web/CSS/Reference/Properties/font-synthesis-weight"
  }
 ],
 "standardPositions": [],
 "hasNegativeStandardPosition": false,
 "stateOfSurveys": [],
 "chromeUseCounters": {
  "percentageOfPageLoad": 0.00199839,
  "url": "https://chromestatus.com/metrics/webfeature/timeline/popularity/35"
 },
 "interop": [],
 "wpt": {
  "url": "https://wpt.fyi/results?q=feature:font-synthesis-weight"
 },
 "developerSignals": null,
 "bugs": {},
 "baselineLowDateAsObject": "2023-03-27T00:00:00.000Z",
 "baselineHighDateAsObject": "2025-09-27T00:00:00.000Z"
}