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PDF how-to guides

Short, practical walkthroughs for the PDF jobs people search for most. Each one links to the free tool that does the work.

How to merge PDF files into one

Step-by-step: combine several PDFs into a single document, in the right order, without installing anything.

How to make a PDF smaller for email

Why PDFs get big, what actually shrinks them, and how to hit an email or upload size limit.

How to remove pages from a PDF

Delete blank, duplicate or sensitive pages from a PDF and keep everything else, in a few clicks.

How to split a PDF into separate files

Cut a PDF by page ranges, every N pages, or one file per page, and download everything as a ZIP.

How to add page numbers to a PDF

Number PDF pages at the bottom or top, start from any number, and skip the cover page.

How to redact a PDF properly

Why drawing a black box is not redaction, and how to hide text in a PDF so it cannot be copied out.

How to turn photos into a PDF

Combine photos, screenshots and scans into one PDF on any device, with the pages in the order you want.

How to remove metadata from a PDF

See what a PDF reveals about you and strip the author, software and hidden metadata before you share it.

Are online PDF tools safe? What to check

How to tell whether a PDF tool uploads your files, what questions to ask, and how to check for yourself.