# PDFViewer.zoomOut()

```ts
zoomOut(): void
```

One step, as the toolbar's buttons and ⌘/Ctrl − do: to the next preset of [navigation.zoomPresets](https://kernstra.com/docs/web-sdk/config/navigation/zoompresets) below the current scale, then by steps down to [navigation.minZoom](https://kernstra.com/docs/web-sdk/config/navigation/minzoom). Leaves a fit mode.

- Kind: method
- Since: 1.0.0

Returns `void`

Throws:

- `INVALID_STATE` after `destroy()`.

Part of [PDFViewer](https://kernstra.com/docs/web-sdk/api/pdfviewer) in the Kernstra Web SDK 1.0.0 API reference.

Web page: https://kernstra.com/docs/web-sdk/api/pdfviewer/zoomout