Question 1

How to reorder, rotate and delete PDF pages

Accepted Answer

Open the PDF in a page organiser, drag the page thumbnails into the order you want, use the rotate buttons for any sideways page, select unwanted pages and delete them, then download. Rotation is stored as a page property, so a rotated page stays rotated in every viewer and on paper.

Question 2

How to delete pages from a PDF

Accepted Answer

Open the PDF in a page editor, select the thumbnails of the pages you want gone or type a range such as 2,5,11-13, then delete and download. Deleting pages from a copy is safe: the original file on your disk is unchanged until you replace it yourself.

Question 3

How to print lecture slides without wasting 60 pages

Accepted Answer

Use handout mode rather than full-page slides: three per sheet if you want ruled note lines, six per sheet for revision. Delete the duplicate pages that animation build steps create in a PDF export, and print in greyscale so dark slide backgrounds do not drain a cartridge. Sixty slides then fit on five duplexed sheets.

Question 4

How to save ink when printing

Accepted Answer

Set draft quality and black ink only as your printer defaults, turn off background graphics, remove decorative images, and use a narrow serif font like Garamond at 11pt. Together these typically cut ink use by half or more on ordinary documents, without changing anything about how readable the page is.

Question 5

How to fit more on a printed page without making it unreadable

Accepted Answer

Cut the margins first, since it is free: moving from one inch to half an inch adds about 28 percent more text area on A4. Then drop the scale to 90 or 80 percent, and only then consider two pages per sheet. Keep body text at 9pt or larger for anything you will read continuously.

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