PDF Guide

How to Merge PDF Files Online

Combining several PDF files into one document is useful when you need to submit, share, archive, or organize related documents together. This guide explains a simple way to merge PDFs and what to check before downloading the final file.

What does merging PDF files mean?

Merging PDFs means combining two or more separate PDF documents into a single PDF. The pages are placed into one document in the order you choose.

How to merge PDFs online

1. Open the Merge PDF tool .
2. Select the PDF files you want to combine.
3. Arrange the files in the order you want them to appear.
4. Start the merge process.
5. Download the resulting PDF and check the page order.

How many PDFs can you merge?

The current ME & MY PDF Merge PDF tool accepts 2 to 10 PDF files per job. Each file can be up to 25 MB, with a 50 MB combined input limit and a maximum of 500 pages across the job.

Tips for getting a clean merged PDF

• Rename or organize your source files first so it is easier to identify the correct order.
• Check the first and last page of each source file before merging.
• Keep an original copy of the source PDFs in case you need to change the order later.
• Open the merged result after downloading and verify that all expected pages are present.

Can encrypted PDFs be merged?

No. The current Merge PDF tool rejects encrypted or damaged PDFs rather than producing an unreliable merged document.

Does merging PDF files reduce quality?

The Merge PDF tool combines the PDF documents without rasterizing their pages into images. It is designed to preserve the existing PDF content rather than convert the document into a lower-quality image-based file.

What should I do if my PDFs are too large?

If a source PDF exceeds the current input limits, you may need to reduce its size first. You can use the Compress PDF tool when appropriate, then try the merge again.

Related PDF tools

Depending on your workflow, you may also find Split PDF, Delete PDF Pages, Compress PDF, and Protect PDF useful.