Study cards with spaced repetition based on the Ebbinghaus forgetting curve. Add text, images, and PDFs in bulk. Edit cards with text masking, image overlays, and auto-text recognition. Search, sort, and organize cards with tags and folders.
by 海云 吴★ 5.012 ratingsEducationFreeData updated 2026-09-19
The app supports converting various file types including JPEG, PNG, TIFF, BMP, GIF, HTML, Text, RTF, RTFD, and ODT into PDF files. It also offers the functionality to convert PDF files into EPUB format.
Learn Chinese vocabulary for the HSK exam with flashcards using spaced repetition for improved memory. Take quizzes to test knowledge and reinforce learning.
The app converts PDF files to HTML for web publishing. It can also merge PDF files and convert PDF to PNG, JPEG, EPS, and PS formats while preserving the original layout.