Chose Smallpdf
While extremely useful and feature rich, PDF xChange does not have the ability to work with multiple files at the same time as efficiently as Smallpdf. It is also a traditional desktop software which means being constrained to one specific PC.
Independently Invited by TrustRadius
A de minimis incentive was given to thank the reviewer for their time. The incentive was not used to bias or drive a particular response, nor was the incentive contingent on a positive endorsement. More Info