In the main window, after you customize your flipbook, you can click [Preview] to preview your flipbook effects.
In the pop-up window, scan the QR code by phone. Or copy the URL and open it in your browser.
Note: Make sure both your phone and computer are the same WI-FI network.
![preview-your-flipbook-effects](https://cms.flipbuilder.com/wp-content/uploads/2022/02/preview-your-flipbook-effects.png)
The effect of [Preview] feature:
![the-effect-of-preview-your-book](https://cms.flipbuilder.com/wp-content/uploads/2022/02/the-effect-of-preview-your-book.png)