Merge PDFs
Combine multiple PDF files into a single document. Drag to reorder, then merge. Runs entirely in your browser.
Drop PDF files here or click to upload
Select multiple PDFs to merge them into one
Related Guide
How to Merge PDF Files Online for Free
About This Tool
Free PDF merger online — combine multiple PDF files into a single document with drag-and-drop reordering, 100% in your browser. No file uploads to any server, no sign-up, and no file size limits imposed by a server. Your PDFs are processed entirely on your device using PDF.js. Common uses: combining scanned contract pages into one file, merging chapter PDFs into a complete book, combining invoices for accountants, assembling a portfolio from multiple documents, and joining research papers with appendices. Drag files in to set the order you want, then download the merged PDF in one click.
How to Use
- 1
Upload your PDFs
Drag and drop multiple PDF files onto the upload area, or click to browse and select them.
- 2
Reorder if needed
Drag the file cards to set the order they should appear in the merged PDF.
- 3
Merge and download
Click Merge PDF. The combined PDF downloads to your device.