Files over 50 MB show a warning; you can still process them.

Files over 150 MB, or selections totalling over 150 MB, are not processed.

Files with 500 pages or more show a warning. Large files can take a long time and may strain your device’s memory.

Edit PDF Metadata

View and change the title, author, subject and keywords of a PDF. The pages stay the same.

You can separate them with commas.

If checked, the four fields above are emptied.