Question 1

How many PDFs can I merge?

Accepted Answer

As many as you want, as long as each one is under 100 MB. The real limit is your device memory.

Question 2

Can I merge password-protected PDFs?

Accepted Answer

First remove the protection with the "Unlock PDF" tool and then merge them here.

Question 3

Is it free?

Accepted Answer

Yes. All LeuPaPDF tools are free and you do not need to sign up.

Question 4

Are my files uploaded to a server?

Accepted Answer

No. The file is processed inside your browser, on your device. Nobody else can see it and it is gone when you close the tab.