Offline PDF editors are installed on your computer. They offer more features and options than online editors, but they can be more difficult to use. Online PDF editor is web-based and easy to use, but they may not have all the features of an offline editor.

10 features you may want to consider when choosing a PDF editor include:

-The ability to create PDFs from scratch

-The ability to convert other file types to PDFs

-The ability to edit existing PDFs

-The ability to add comments and annotations

-The ability to fill out forms

-The ability to sign documents electronically

-The ability to password protect PDFs

-The ability to merge or split PDFs

- The availability of mobile apps

Some offline editors that you may want to consider include Adobe Acrobat, Foxit PhantomPDF, and Nitro Pro. Some popular online editors include Smallpdf, PDFescape, and Sejda. When choosing an editor, consider your needs and budget. Free options may be sufficient for basic tasks like creating or converting a PDF. We would recommend you using A1Office as it provides the best PDF editor for free.