In those cases, the free and open source OCRmyPDF is perfect to have around. This is a command line application that quickly ...

Portable Document Format (PDF) files can contain images, but extracting those images for use in other applications is an ...

it can also be used to create documents to be viewed in digital media such as eBooks and other e-publications. InDesign can save and also open PDF documents. There may be cases where InDesign ...

The Google Drive app -- included on all Android phones and can be downloaded onto an iPhone -- includes markup tools that ...

As you may know, I try a lot of apps every week. Perhaps that is wrong, as one may be tempted to constantly jump between different softwares just for the sake of having something new to play with ...