PDF Guides & How-To Articles

A plain-language map of which PDF tool to use for each job: combine, split, shrink, convert, protect, redact and clean up, each linked to its guide.

Add page numbers to a PDF in the position and starting value you choose, without disturbing the existing text. A short step-by-step guide.

Drop a few pages from a PDF and keep the rest in order, plus when to use Delete, Extract or Split instead.

Every PDF stores an author, the software that made it, and dates. Learn how to see what is there and clear it before you share the file.

A black rectangle in a markup tool leaves the text underneath. Learn how proper redaction removes the content and flattens the page so it cannot be recovered.

Fix sideways or upside-down pages by rotating them 90, 180 or 270 degrees and saving the orientation into the PDF. A short step-by-step guide.

What makes a PDF large and a simple, ordered pass to make it smaller: remove pages, drop unneeded colour, then compress the images.

Pull a chosen set of pages out of a PDF into a small new file, and know when to use Extract, Split, or Delete instead.

Turn a folder of phone scans into one clean PDF: convert the images, set the page order, then rotate, reorder, or compress as needed.

Get a PDF under your mail server limit by compressing its images, removing pages you do not need, or sending only the text.

What PDF metadata is, how to set the title, author, subject and keywords, and how to strip the software names from a file.

Add a password to a PDF before sharing it, and change or remove one you already have. A practical guide with security tips.

When to use a PDF and when to use images, plus how to convert between JPG, PNG and PDF in both directions.

Break one PDF into several files by page range, or pull out and drop individual pages. A short guide with the right tool for each case.

Make a PDF smaller for email or upload by re-encoding its images. How to pick a compression level and what results to expect.

How to merge PDF files online step by step, plus what actually separates the best online PDF merger tools in 2026 — file limits, ordering, privacy, and more.