PDF Merge
Merge multiple PDFs into one document online for free
Free PDF Merge Online | Combine PDFs
Merge multiple PDF documents into a single file for free. Combine up to 10 PDFs preserving the upload order. All processing happens in your browser for maximum privacy. No file uploads, no server processing, completely free.
100% local processing in your browser. No files are sent to external servers.
Drag PDF files here
Up to 10 PDF files — or click to browse
Max 10 files
How It Works
- Drag and drop up to 10 PDF files or click to browse
- Files appear in the list in upload order
- To change order, remove and re-upload files in desired sequence
- Click Merge PDFs when ready
- Wait for processing - merged PDF will download automatically
Frequently Asked Questions
Can I change the file order?
Currently files are merged in the order you upload them. To rearrange, remove files and re-upload in the desired order. A drag-and-drop reorder feature will be added in the future.
How many PDFs can I merge?
You can merge 2 to 10 PDF files at once. Maximum size per file is 50MB on desktop, 25MB on mobile.
Are my documents secure?
Yes, absolutely. Merging happens completely in your browser using JavaScript. Your PDFs are never uploaded to external servers. Your documents never leave your device.