Drop PDFs here to merge
Click any thumbnail to preview · Drag cards to reorder
Up to 20 files · PDF only
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Merge PDF
Combine multiple PDFs into one. Click any thumbnail to preview — drag to reorder.
Combine multiple PDFs into one. Click any thumbnail to preview — drag to reorder.
Drop PDFs here to merge
Click any thumbnail to preview · Drag cards to reorder
Combining PDF files creates a single document from two or more separate PDFs. The most common use cases are assembling a multi-chapter report from separately saved sections, joining a signed signature page with a contract, or bundling invoices into a single submission.
The process is simple: upload all the files you want to combine, then drag the cards to set the page order of the final document. Each card shows a thumbnail preview of the first page so you can confirm the order visually before combining.
Unlike some tools that require a file-by-file upload process, this tool accepts multiple files in a single drop. You can upload up to 20 PDFs at once and reorder them freely before starting the combine operation.
The output is a standard PDF with no watermarks, no restrictions, and no changes to the content or quality of the original pages. All files are processed on the server using qpdf and deleted within 60 minutes of the job completing.
This tool adds no watermarks. Upload your files, arrange them in the order you want, click Merge, and download a clean combined PDF with no added marks or branding.
Yes. PDFs with different page orientations and sizes (A4, Letter, Legal, etc.) can all be combined into a single document. Each page keeps its original dimensions.
This tool is completely free. There are no per-use fees, no subscription, and no account required.