Question 1

How many PDF files can I merge at once?

Accepted Answer

There is no fixed limit — add as many PDFs as you need and combine them into a single document.

Question 2

Can I change the order of the pages before merging?

Accepted Answer

Yes, drag and drop your files into the order you want before combining them into one PDF.

Question 3

Will merging affect the quality of my PDFs?

Accepted Answer

No — merging simply combines the original pages into one file without re-encoding or compressing their content.

Question 4

Is merging PDFs with this tool private and secure?

Accepted Answer

Yes, everything happens in your browser — your files are never uploaded to an external server.

Question 5

Can I merge PDFs that have different page sizes or orientations?

Accepted Answer

Yes, the tool handles mixed page sizes and orientations and keeps each page intact in the merged file.

Merge PDF

How it works