No. Files are opened entirely in your browser using local JavaScript and WebAssembly. Nothing is sent to a server.

Does it work on mobile?

Yes. The viewer is mobile-first and works on phones, tablets, and desktops.

Fonts.woff

WOFF viewer

ready

WOFF · .woff

Web Open Font Format.

Choose a fileor paste · ⌘V

About WOFF

Web Open Font Format.

WOFF is OpenType's web-optimized container — compressed font data designed for fast network delivery.

FAQ

What is a WOFF file?: WOFF is OpenType's web-optimized container — compressed font data designed for fast network delivery.
Is my file uploaded?: No. Files are opened entirely in your browser using local JavaScript and WebAssembly. Nothing is sent to a server.
Does it work on mobile?: Yes. The viewer is mobile-first and works on phones, tablets, and desktops.

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