Merge PDF

Need to combine multiple PDF documents into one? RelahConvert merges PDFs entirely in your browser — no file uploads, no server processing, no privacy concerns. Drag to reorder documents before merging. The output PDF maintains the original

How to Merge PDF Files in Three Steps

Select your PDF files — click "Select PDFs" or drag and drop multiple PDF files.
Reorder if needed — drag files to arrange them in the order you want.
Click Merge — download your combined PDF instantly.

The Best Free PDF Merger That Works in Your Browser

Why Merge PDFs?

How do I merge PDF files for free?

Upload your PDFs to RelahConvert, arrange them in order, and click Merge. The combined PDF downloads instantly.

Is there a limit to how many PDFs I can merge?

There is no strict limit. You can merge as many PDFs as your browser can handle.

Will merging reduce the quality of my PDFs?

No. The merge process copies pages as-is without any quality loss or recompression.

Can I reorder the PDFs before merging?

Yes. Drag and drop to arrange your PDFs in any order before merging.

Do my files get uploaded?

No. All merging happens locally in your browser. Your files never leave your device.

Last updated: 2026-06-08