There is no need for _pdf to pdf conversion, because _pdf files have just their extension renamed by some program, typically for backup reasons. Just rename it back to pdf to restore full file association in your computer, no conversion required.
Convert Adobe Portable Document Format to Adobe Portable document format.
We found 5 software records in the database related to ._pdf to .pdf file format conversion.
Microsoft Windows software - convert _pdf to pdf on Windows
A free e-book library management application
Convert from _pdf file format
|Yes, Calibre supports _pdf file conversion as a source file type.||No||No||No||No||No||No||No|
|Yes, Calibre supports pdf file conversion as a target file type.||No||No||No||No||No||No||No|
The tables with software actions are a good pointer for what a certain program does with various file types and often may give users a good hint how to perform certain file conversion, for example the above-mentioned _pdf to pdf. However, it is not perfect and sometimes can show results which are not really usable because of how certain programs work with files and the possible conversion is thus actually not possible at all.
A PDF making and editing software
Apple macOS / Mac OS X software - convert _pdf to pdf on OS X
Mac version of Adobe's PDF handling software
A free open source ebook creator, converter and viewer
Linux/Unix software - convert _pdf to pdf on Linux
Linux version of the popular ebook manager