Merge PDF documents

Merging two PDF files You can merge PDF files as needed but you can only use two PDF files one time. If you think its too much trouble to open two PDFs to read constantly, you can merge them into a new file to read and edit. After merged, a new PDF file will be...

Duplicate PDF document and study note

Duplicating PDF and Note You can directily duplicate PDF files to make a copy . Here’s the steps of how to duplicate PDF files: Select(long press/select icon) the target PDFs. Tap the ‘Duplicate’ icon at the top-right corner of PDF window to create a copy. If you...

Add pages to PDF document

Add pages to PDF You can add blank pages to PDF. Add new pages at the end of a PDF document In the opened PDF file, click the ‘Preview’ icon in the upper left corner of the window to enter the PDF page preview mode. Tap the ‘+’ icon at the end of the PDF...

Change the name of PDF, study note, and folder

Renaming PDF files, study notes, and folders You can change the name of PDF files, study notes and folders anytime. Method 1 Select(long press/select icon) the PDF, study note or folder. Tap the ‘Rename’ icon at the top-right corner of the app’s main. Enter the...

Delete unnecessary PDF files or Folders

Deleting PDF files or Folders You can delete PDF files or folders which is not necessary. Deleted files and folders can be viewed in the ‘trash’. You can then permanently delete the files or restore them to their original location. Select(long press/select...