Merge PDF Files Online Free
Combine multiple PDF documents into one organized file. Arrange their order, merge securely, and download the final PDF without signup or watermark.
Select PDF Files
Select or drop at least two PDF files here.
Maximum 20 files · 15MB each · 50MB total
What is a Merge PDF Tool?
A Merge PDF tool combines pages from multiple PDF documents into one file. It is useful for joining reports, invoices, certificates, assignments, contracts, and supporting documents.
Why Use Our PDF Merger?
Combine Multiple PDFs
Merge up to 20 PDF documents into one organized file.
Control File Order
Arrange your selected PDFs before creating the final document.
Simple and Secure
Files are processed only to complete the requested merge.
Common Uses
Frequently Asked Questions
Is this Merge PDF tool free?
Yes. You can combine PDF files online for free without signup, watermark, or subscription.
How many PDF files can I merge?
You can merge between 2 and 20 PDF files in one operation. Each file can be up to 15MB, with a maximum combined size of 50MB.
Can I change the PDF order?
Yes. Use the up and down controls to arrange the PDF files before merging. The final PDF follows the displayed order.
Will the original PDF quality be preserved?
Yes. PDF pages are combined without converting them into images, so their original page quality is generally preserved.
Can password-protected PDFs be merged?
Password-protected or encrypted PDF files must be unlocked before they can be merged.
Does Merge PDF work on mobile?
Yes. You can select and combine PDFs using Android, iPhone, tablet, laptop, or desktop browsers.
Things to Know
- Output format: PDF
- Combines multiple PDF documents into a single file.
- Pages are appended in the exact order you select.
- Original fonts, images, and formatting remain completely unchanged.