Merge PDF
Combine multiple PDF files into a single document
Drop your files here
or click to browse from your computer
Supported: .pdf • Max 10MB
How to merge pdf
Upload your PDFs
Drag and drop or click to select the PDF files you want to combine.
Arrange the order
Reorder the files by dragging them into the sequence you prefer.
Click Merge PDF
Press the button and PDFNinja will combine the files instantly in your browser.
Download the result
Your merged PDF is ready — click download to save it to your device.
About Merge PDF
PDFNinja's Merge PDF tool lets you combine two or more PDF documents into a single file without leaving your browser. Simply drag and drop the files you want to merge, reorder them as needed, and click the button. Because processing happens entirely on your device, your documents never leave your computer — making it the most private way to merge PDFs online.
Whether you need to combine scanned receipts, consolidate reports, or join chapters of an ebook, the merge tool handles files of any size. The output preserves bookmarks, links, and formatting from every source document.
Features
- Merge unlimited PDF files at once
- Drag-and-drop reordering before combining
- Preserves bookmarks, links, and formatting
- 100% client-side — files never leave your device
- No file size limits