Organization and reading of documents and books in PDF format;
Capture HTML pages (web) and save to Polar library (locally on your hard drive);
It is possible to track the progress of reading each document. The document opens where you left off;
All content is stored locally, i.e. you can work offline, but there is a possibility of synchronization between other computers with the built-in Polar service (there is a free plan: 2 active devices, up to 350 MB, up to 100 web page captures);
It is possible to add annotations to PDF documents and saved web pages, as well as add comments and create an educational card from the annotation to the Anki program;
Viewer for Annotations and Notes. Integrated annotation viewer. Search, sort, and tag all annotations and comments in one place;
There are statistics on the progress of reading, on the types and number of documents read;
Integrated Document Viewer Integrated document reader (PDF, webpages) to the best reading experience;.
Area Highlights Capture a region of the page as a highlight which can be a chart, figure, infographic, etc.