Merge PDF
FreeMerge multiple PDFs in your chosen order while preserving original page sizes. Everything happens locally in your browser.
Select PDF files to get started
Drag files here or choose them from your device
PDF · Up to 50 MiB each · Up to 20 files Files stay local. No uploads.Selected files
Arrange pages
Insert or replace pages
Insert before the target position. To append, enter the current page count + 1. Blank pages use the adjacent page size.
Replacement removes the same number of pages from the target position as the number of selected source pages. Source files are read locally.
Export in the displayed order. Labels show source files and page numbers. Inserted pages support selection, movement, rotation and undo.
Click a page to read it in detail. Use the checkboxes to select pages.
Page preview
Download your files
How to use Merge PDF
- 01
Add at least two PDF files.
- 02
Drag files or use the move buttons to set their order.
- 03
Start processing and download the merged PDF.
Frequently asked questions
Can I merge PDFs with different page sizes?+
Yes. Each page keeps its original size and orientation. Pages are not resized to A4.
Are my files uploaded to a server?+
No. Your browser reads and processes the files, and you download the results directly to your device.
Can I process password-protected PDFs?+
Encrypted PDFs are not supported in this version. Use an unencrypted copy that opens normally.