For free app, the OCR feature helps you search for certain images more conveniently. By tapping the OCR button and completing the auto recognizing, you can search for the image by entering any texts on the image.

There are 2 ways to export the texts as .txt file:

1. Upgrade your free app to paid app. Then you can extract texts from single images and transfer them into .txt file. Just open an image--tap bottom "Extract Text" and you can complete the exporting.

2. Upgrade your basic account to Premium account. Then you can export texts from a whole document. Open a document, tap “Share” button and choose “Extract Text”.