Merge PDF files

Combine your PDF files instantly with a sleek and modern experience.

Select PDF files

or drag & drop your PDFs here

Choose PDFs

About the Merge PDF Tool

Combining several PDF files into one document is one of the most common everyday PDF tasks — bundling scanned receipts, joining chapters of a report, or putting together a set of contracts. PDF Reducer's Merge tool does this entirely in your browser: pick two or more PDFs, arrange them in the order you want, and download a single combined file.

How to merge a PDF

1. Click Choose PDFs or drag and drop the files you want to combine into the upload area.
2. Add as many PDF files as you need — you can keep adding more before merging.
3. Click Merge PDFs to combine them into a single document, in the order you added them.
4. Download the merged PDF once processing finishes.

Why use PdfReducer's Merge PDF tool

No file size limit trickery or hidden page caps for typical documents.
Original page formatting, images, and text are preserved exactly as they appear in the source files.
Files are processed on our server and removed automatically afterward — nothing is kept longer than necessary.
Works entirely in your browser, with no software to install.

Frequently asked questions

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

You can merge as many PDF files as you need in one go, subject to the overall upload size limit.

Will merging change the quality of my PDFs?

No — pages are combined as-is, so text, images, and layout stay exactly as they were in the original files.

Can I control the order the files are merged in?

Yes, files are merged in the order you add them, so arrange your selection accordingly before merging.