The new feature introduced with v0.3.0 is a new Upload View, where a pdf file can be selected in order to upload to the tool. The client then takes the pdf and preprocesses it in the background, i.e. cuts the pdf into single pages, screenshot every page and send the screenshot to the backend api in order to perform OCR - text extraction. Attention: Big files are not yet handled wisely and need an extreme amount of time to be preprocessed...