PDF is the most commonly used document format currently. Adobe launched the format to store all your documents in one file, thus naming it Portable Document Format. Since then, it has been used ...

PDF-XChange Editor is has a boatload of features, for creating, editing, annotating, and securing PDF documents. The fully functional free versions offer plenty for many users, but you’ll have to pay ...

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 ...

Since PDF 1.0 released in 1993, you can enter author, creation date, creator, producer in PDF file. In addition, in PDF 1.1 and later, titles, subjects, keywords, and the last updated date and time ...

Nuance PDF Creator software has a range of features for creating and editing PDF documents. When PDFs are created, metadata, which is information about the PDF, is also stored. Metadata can include ...