You can digitally sign a PDF in several different ways, including Adobe Acrobat, Apple's Preview app, and mobile apps, among other options.

Free software on your phone or tablet lets you scan, create, edit, annotate and even sign digitized documents on the go.

Want to correct errors or update content in a PDF? Whether you prefer a powerful, corporate-friendly solution or a basic app you can use at no cost, we're here to help you find the best PDF software ...

PDFResizer is a free online tool to rotate your PDF documents online. Apart from rotating PDF pages, it offers a lot of features to process PDF files including Crop PDF, Merge PDF, Split PDF, Delete ...

While PDF files can be difficult to edit without the right tool, you have a built-in app on macOS you can use for certain changes. We’ll show you how to split and combine PDFs on Mac using Preview. If ...

You can convert Apple's HEIC files to PDF on a Mac or Windows computer using the free Convertio website.