Toolbar Navigation
Welcome Page Toolbar
On the first page, you see after launching UPDF, you'll see a recent files list.
This list will be empty at first, so you can click the Open File button to open your very first PDF document with UPDF!

Document Page Toolbars and Panels
- Left Main Menu: Once a document is open, you'll see a main toolbar at the left with the core features - Reader, Comment, Edit, Organise Page, Crop Pages, and Page Tools.
- Right Main Menu: At the right menu, it has some features of UPDF - Search, OCR, Export PDF, Save as PDF/A, Protect Using Password, Share this file with others, and Send file by email.
- Thumbnail and Bookmark Panel: On the lower left side is the Thumbnail and Bookmarks panel. On the lower left corner, you'll see an icon to hide or show the above panels.
- Navigation Panel: At the bottom of the document, you can see a navigation panel with zoom controls.
