Merge PDF
PDF ToolsCombine multiple PDF files into one document.
FILE
Result
Result
What is Merge PDF?
Merge PDF combines several PDF documents into one file in the order you choose, directly in your browser. Reorder the files, then download a single combined PDF.
How to use Merge PDF
- 1 Select two or more PDF files (up to 20 at a time, 25 MB each).
- 2 Drag the files into the order you want them to appear in the final document.
- 3 Click Merge and download the combined PDF.
Supported formats and limits
- Input: PDF
- Output: one merged PDF
- 2–20 files · up to 25 MB each
Common uses
- Combine scanned chapters or invoices into one document.
- Assemble a report from separately exported sections.
- Join several signed forms into a single submission file.
Things to know
- The total output is limited by server resources; very large jobs may take longer.
- PDF files that are encrypted with a password must be unlocked first.
Privacy and file handling
Files are uploaded to the server only to perform the merge, and the resulting download is deleted immediately after it is sent.
Frequently asked questions
How many PDF files can I merge at once?
You can merge between 2 and 20 PDF files in a single job, with a 25 MB limit per file.
Does the order I upload files matter?
Yes. Files are combined in the order shown, so arrange them before merging.
Are my PDFs stored on your server?
No. Uploaded files are used only to build the merged document and are removed right after the download is sent.
How many PDF files can I merge at once?
You can merge between 2 and 20 PDF files in a single request, and each uploaded file is limited to 25 MB.