Tips, comparisons, and guides for PDF apps on iPhone and Android.
Adobe Acrobat leads the PDF software market. But there are alternatives offering many features for free or much cheaper. We compare Clip PDF with Adobe Acrobat.
Browser tools, apps you already have, and LibreOffice Draw: step-by-step instructions for editing PDFs for free – and the honest limits of each method.
iOS can merge PDFs out of the box – the feature is just well hidden. We compare three routes: the preinstalled Files app, the Clip PDF app, and the browser-based web tool – with honest pros and cons.
Three popular scanner apps at a glance: features, prices, and differences – so you can find the right app for your needs.
What happens locally in a browser, when an upload is needed, and what to check before using a tool.
Why photos often dominate file size and when smaller files visibly lose quality.
Placed signatures, advanced signatures, and qualified signatures: the differences explained clearly.
Free for iPhone and Android – edit, scan, merge PDFs and more.