Portable document format (PDF) files remain a popular choice for business documents ranging from contracts and forms to manuals and reports, so there's a good chance you need to open them often.

PDF permissions determine how users can interact with the file. Permission settings are an important consideration for a number of reasons, including file protection. You can adjust the PDF ...

PDF-XChange Editor is a comprehensive PDF editor that allows you to create, view, edit, annotate, and digitally sign PDF documents with ease. With advanced features like OCR, document security, and ...

If you are unable to edit PDF files on Acrobat Reader DC, the following methods can help you fix it. This is an error caused by confusion between two kinds of ...

PDFs can be a pain. As they were initially designed to be forms that were printed out and filled in by pen, they can feel somewhat anachronistic in the modern digital age. But, it’s not as hard to ...

PDF-XChange Editor is a comprehensive PDF editor that allows you to create, view, edit, annotate, and digitally sign PDF documents with ease. With advanced features like OCR, document security, and ...

PDF Candy is an impressive free PDF editor that includes many capabilities you’d only expect in a paid tool. Editor’s note: This review was updated April 3, 2025 to reflect the most current features ...