Merge PDF Online | NivoPDF
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Merge PDF files online in seconds
Combine multiple PDF files into a single document. Upload your PDFs, reorder them as needed, and download one merged file.
Use drag & drop on desktop or tap to select files on mobile. You can preview the first page of each file to confirm the correct order.
For best results, merge first and then compress the final PDF if you need a smaller file size.
FAQ
How many PDFs can I merge?
You can merge multiple files in one go. If you hit a limit, try merging in smaller batches.
Can I change the order of the files?
Yes. After upload you can reorder the files before starting the merge.
Will my PDFs keep their original quality?
Merging preserves pages as they are. If you need size reduction, use Compress PDF after merging.
Can I merge PDFs from my phone?
Yes. On mobile you can tap to select multiple files, then merge them normally.
What if one file is password-protected?
You may need to unlock the PDF first (when permitted) before merging it with others.
Can I merge PDFs and then add page numbers?
Yes. Merge first, then use Add Page Numbers to number the final document.