Annotate your lecture notes, documents, or books and create flashcards simultaneously
Study your cards directly in the web app or send them to Anki to fit your existing workflow
Organize and tag your cards and documents
Keep your cards and documents completely secure offline or optionally sync them to multiple devices with a free account
Include advanced mathematical expressions on you cards with the included LaTeX support
Documentation
Start by visiting app.cardflash.net. In the Documents view you can then select a pdf file to use.
When the document is processed, it will appear in your document list. Click on Create cards from PDF to open the card creation view.
To annotate text in the pdf, select the text and click on one of the appearing color options
The content you highlighted can be directly inserted on to the current flashcard, but this setting can be changed in the options menu inside the side panel.
You can also select an area that can be inserted as an image or as text content. For that, simply select a rectangular region with the right mouse button. Alternatively, click on the button on the bottom left to select an area with your primary mouse or touch input.