If you are wondering how to annotate a PDF on Windows, you can use free online tools and software that we have included in this article.

Back in 1992, Adobe created the Portable Document Format file, now commonly known as the PDF and used to distribute everything from digital business documents to e-books. This Adobe file type isn ...

You're able to build PDFs in the Preview tool too: As long as you have a PDF open in Preview, you can drag any file type into the table of contents sidebar on the left to add it as an extra page.

Automatically convert a PDF file into a Booklet using these free software and online tools, to make a PDF document look like a book.

That said, free users can make certain changes to PDF files without a paid plan. As a free user, you can add comments, highlight sections, draw on a document, add new text, and sign documents.

PDF files are great, but you might need to make some changes in Word. Here's how to convert a PDF file into a Word document using a few of our favorite methods.

How to Scan a Letter Document Into a PDF File. Scanning a letter document into a PDF digitizes your business's important documents in a way that enables text searches.

You can combine multiple PDF files into a single, easy-to-share document using simple software on your Mac computer or Windows PC. Here's how.