PDF Editing 生產應用 Portable Lightweight Text to Speech ... PDF annotation Scan documents Tabbed interface Scan to PDF Tablet support Sign PDF files Text Highlighting Fill PDF Forms Email template editor

圖書與參考資源 Subscriptions Customizable Cloud sync Night mode/Dark Theme ... Backup Integrated Search Support for Themes Themes Full text search Text Highlighting Built-in themes Theme changing

生產應用 Real time collaboration IFTTT integration Social Bookmarking PDF annotation ... Save web page for offline use Bookmark organization Text Highlighting Annotate screenshots Browser Sync Document annotations

生產應用 新聞與雜誌 Offline Reading Create PlayList Save web page for offline use ... Text Highlighting Playlists management Automatic categories Send to Kindle

圖書與參考資源 Customizable Night mode/Dark Theme Integrated Search Offline Reading ... Support for Themes Themes Full text search Built-in themes Text Highlighting Theme changing Support for Right-to-Left Document annotations Text Overlays