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http permissions policy directive

Permissions-Policy: local-fonts directive

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Limited availability

The HTTP Permissions-Policy header local-fonts directive controls whether the current document is allowed to gather data on the user’s locally-installed fonts via the queryLocalFonts() method.

Specifically, where a defined policy blocks use of this feature, Promises returned by queryLocalFonts() will reject with a DOMException of type SecurityError.

Syntax

Permissions-Policy: local-fonts=<allowlist>;
  • <allowlist>

Default policy

The default allowlist for local-fonts is self.

Specifications

SpecificationsStandards references are available on the canonical MDN page.

Browser compatibility

Browser compatibilityCompatibility data is available on the canonical MDN page.

See also