KPF files stand for Komodo Project Files. What is a KPF file? Project file created with Komodo, a Web application development program; supports multiple languages, including PHP, Ruby, Python, Perl,. You can use Kindle Create to create a "reflowable" or Print Replica Kindle Package Format (KPF) file. is there an editor than can open and re-edit the packaged kpf file ?. Details for file extension: KPF - Kapere :: Komodo Project File (ActiveState Software). Understanding the KPF File Extension.