DiffPDF imagwiritsidwa ntchito kufananitsa mafayilo awiri a PDF.

Mwachikhazikitso kufananitsa ndi kwa mawu a pamasamba aliwonse, koma kufananitsa zilembo ndi zilembo kumathandizidwanso (mwachitsanzo, m'zilankhulo zama logo). Ndipo palinso chithandizo chofanizira masamba ndi mawonekedwe (mwachitsanzo, ngati chithunzi chasinthidwa kapena ndime yasinthidwa, kapena font yasinthidwa). Ndizothekanso kufananiza masamba ena kapena masamba. Mwachitsanzo, ngati pali mitundu iwiri ya fayilo ya PDF, imodzi ili ndi masamba 1-12 ndi ina masamba 1-13 chifukwa cha tsamba lowonjezera lomwe lawonjezeredwa ngati tsamba 4, atha kufananizidwa ndi kutchula masamba awiri, 1-12 woyamba ndi 1-3, 5-13 wachiwiri. Izi zipangitsa DiffPDF kuyerekeza masamba awiriawiri (1, 1), (2, 2), (3, 3), (4, 5), (5, 6), ndi zina zotero, mpaka (12, 13).

Zitsanzo zingapo mafayilo a PDF amaperekedwa pa intaneti kuti mutha kuyesa. Mafayilo a PDF amatha kukwezedwa kuchokera ku GUI (pokanikiza mabatani a Fayilo #1 ndi Fayilo #2), kapena kuwafotokozera pamzere wolamula. Zambiri zimapezeka pazida za pulogalamuyi ndi About bokosi.