# FontFormat

## Content

# Type Alias: FontFormat

```ts
type FontFormat = "truetype" | "opentype" | "woff" | "woff2" | "ttc";
```

Specifies the font format.

- `"truetype"`: TrueType Font (TTF).
- `"opentype"`: OpenType Font (OTF).
- `"woff"`: Web Open Font Format (WOFF).
- `"woff2"`: Web Open Font Format 2 (WOFF2). Not supported by the Wasm version of the SupportApi.
- `"ttc"`: TrueType Collection (TTC). This format is for fallback fonts only; see the [DsPdfViewer.registerFallbackFont](../classes/DsPdfViewer#registerfallbackfont) method for details.