Guides to working with PDF files
Short, practical guides written for students, office workers and freelancers — how to merge and split PDFs on any device, fix errors and keep your documents private.
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Merge PDF · Updated
How to combine PDF files on Windows, Mac, iPhone and Android
Every major platform has at least one way to merge PDFs — some built in, some not. Here's how each one works and when an online tool is quicker.
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Split PDF · Updated
How to split a PDF into multiple files
Chapters, equal chunks, single pages or "small enough to email" — four ways to cut one PDF into many, and how to pick the numbers.
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Split PDF · Updated
How to split a PDF on Windows, Mac, iPhone and Android
Macs can split PDFs out of the box, Windows and phones need a workaround. Here is each method step by step, with an honest note on what it does to your file.
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Merge PDF · Updated
Is it safe to merge PDF files online?
Online PDF tools are convenient, but you're handing documents to a server. Here's what actually happens to them and how to pick a trustworthy service.
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Merge PDF · Updated
Why can't I merge my PDF? 7 common errors and how to fix them
Most merge failures come down to a handful of causes — passwords, damaged files, size limits and fake PDFs. Here's how to recognise and fix each one.
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Split PDF · Updated
Why can't I split my PDF? 7 common problems and how to fix them
Locked files, broken files, files that are secretly something else — most PDFs that refuse to split fall into one of seven categories. Each has a quick fix.
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