Choose your PDFs
Select at least two PDF files from your device or drop them into the merger.
FREE PDF TOOL
Merge PDF Online
Combine two or more PDF files into one document for free. Arrange them in the order you want, remove unwanted files and download one merged PDF — no account required.
Drop PDFs here
or choose two or more PDF files from your device
You can add more PDFs before merging✓ Browser-based processing✓ No account required✓ Simple downloads
Your PDFs
0 files
Total files0
Total pages0
Total size0 MB
Ready to mergePDFs will be combined from top to bottom.
✓
Your merged PDF is ready
Your files were combined successfully.
Your PDFs are read and merged directly in your browser. Octumi does not upload the selected PDFs in this version.
QUICK GUIDE
How to merge PDF files
Combine two or more PDFs into a single document in a few simple steps.
Arrange the order
Move PDFs up or down so they appear in the order you want in the final document.
Review your files
Add more PDFs or remove unwanted ones, then check the total files, pages and size.
Merge and download
Combine the PDFs and download the finished merged document.
CONTROL THE ORDER
Combine PDFs in the order you need
Octumi merges files from top to bottom. Use the move controls to decide which PDF comes first, second and so on. You can remove a file or add more PDFs before creating the final document.
BEFORE YOU MERGE
Review files, pages and size
The workspace shows the selected PDF count, total page count and combined file size before merging. Password-protected or damaged PDFs may not be readable by the browser tool.
FAQ
Merge PDF FAQ
Is Octumi's PDF merger free?
Yes. You can use the Merge PDF tool without creating an Octumi account.
How many PDFs do I need to merge?
You need at least two PDF files. You can add more PDFs before starting the merge.
Can I change the order before merging?
Yes. Use the up and down controls to arrange the files. Octumi combines them from top to bottom.
Can I remove a PDF before merging?
Yes. Remove any unwanted file from the list before creating the merged PDF.
Why might a PDF fail to merge?
A damaged or password-protected PDF may not be readable by the browser tool.
Does Octumi upload my PDFs for merging?
No. In this version, selected PDFs are read and merged directly in your browser. The PDF library used by the page is loaded from a third-party CDN.