How to open .WOFF2 files on iOS
To open .WOFF2 files on iOS, open a webpage (locally hosted or remote) that references the .woff2 in CSS; iOS browsers will use it as a web font when supported by the browser.
Step-by-step instructions
- Open a webpage (locally hosted or remote) that references the .woff2 in CSS; iOS browsers will use it as a web font when supported by the browser.
Common issues
The font doesn’t load in the browser
Browsers typically use .woff2 through CSS @font-face. If the URL/path is wrong, the server serves the wrong content type, or the CSS rule is incorrect, the browser may fall back to a default font.
- Confirm your CSS @font-face rule points to the correct .woff2 URL and that the file is actually reachable (check the browser’s Network panel).
- Ensure your server sends the correct media type for .woff2: font/woff2.
- Verify the @font-face rule selects the expected weight/style so your page actually uses the loaded face.
Double-clicking doesn’t “install” or preview the font
.woff2 is primarily a web delivery format; many desktop font managers focus on traditional installable formats. A .woff2 file is usually meant to be referenced by a browser, not installed system-wide.
- Test the font by using it in a small HTML file with a CSS @font-face rule and open it in a browser.
- If you need a system-installed font, obtain a desktop font format from the font vendor (for example, the same font family in a format intended for OS installation).
Linux desktop shows the wrong file type or icon
Linux desktops commonly rely on the shared MIME-info database for filename globs (extensions) and MIME identification. If the database is outdated or missing an entry, .woff2 may not be recognized correctly.
- Update your distribution’s shared MIME-info database package so .woff2 is recognized.
- If you maintain a desktop environment or package, add/verify a glob association for .woff2 according to the shared-mime-info specification.
Security note
A .woff2 file is font data, not an executable, but it is still untrusted binary input to font parsers in browsers and other software; malformed fonts can trigger vulnerabilities in font handling code.