coderef

Local fontsLimited availability

The window.queryLocalFonts() method returns an array of locally-installed fonts, each represented by a FontData object.

Not yet supported in all major browsers — check the table and provide a fallback.

Browser support

DesktopChrome
1–102Not supported
103+Supportedsince Jun 21, 2022
Current: 155
Edge
12–102Not supported
103+Supportedsince Jun 23, 2022
Current: 154
Firefox
✕Not supportedup to 157
Current: 157
Safari
✕Not supportedup to 27
Current: 27
MobileChrome Android
✕Not supportedup to 155
Current: 155
Firefox Android
✕Not supportedup to 157
Current: 157
Safari iOS
✕Not supportedup to 27
Current: 27

How to use

Not supported in Firefox, Safari, Chrome Android, Firefox Android, Safari iOS. Use feature detection below and provide a fallback (or a polyfill) for those browsers.

Example

Full syntax and examples are on MDN: FontData.

Feature detection

JS · check before using
if ("allow" in document.createElement("iframe")) {
  // the allow attribute/property of <iframe> is supported
}

Sub-features

Support for each part of the feature (10). The overall table above shows when the whole feature works.

Sub-featureChromeEdgeFirefoxSafariChrome AndroidFirefox AndroidSafari iOS
FontData103103✕✕✕✕✕
FontData.blob103103✕✕✕✕✕
FontData.family103103✕✕✕✕✕
FontData.fullName103103✕✕✕✕✕
FontData.postscriptName103103✕✕✕✕✕
FontData.style103103✕✕✕✕✕
Permissions.permission_local-fonts103103✕✕✕✕✕
Window.queryLocalFonts103103✕✕✕✕✕
iframe.allow.local-fonts103103✕✕✕✕✕
http.headers.Permissions-Policy.local-fonts103103✕✕✕✕✕