Merge PDF
Combine multiple PDF files into one document in the order you want.
Drop PDF files here
or click to browse, add as many as you like
Need to combine PDF files into a single document? PDFOtter's free online PDF merger joins two or more PDFs in any order you choose, reports, invoices, scanned contracts or eBook chapters, into one tidy file. There's no upload, no sign-up and no watermark: your documents are merged instantly, right inside your browser.
How to merge pdf online
- Add your PDFs. Drag and drop your files onto the box above, or click to browse. Add as many as you like.
- Set the order. Drag the rows up or down until the pages are in the sequence you want.
- Merge. Click "Merge PDFs" and PDFOtter combines everything into one document.
- Download. Your merged PDF downloads automatically, no email or account needed.
Why use PDFOtter's Merge PDF?
- 100% private, files never leave your device
- No page or file limits
- Keeps original quality, no re-compression
- Works on any device, desktop or mobile
Merge PDF, frequently asked questions
How do I merge PDF files for free?
Just drag your PDFs into the tool above, arrange them in order and click Merge PDFs. It downloads a single combined file, completely free, with no sign-up.
Is there a limit to how many PDFs I can combine?
No. You can merge as many PDF files as your device can handle. Because processing is local, there are no artificial caps.
Will merging reduce the quality of my PDF?
No. PDFOtter copies pages exactly as they are, so text stays sharp and images keep their original resolution.
Are my documents safe when I merge them?
Yes. Everything happens in your browser, your PDFs are never uploaded to a server, so they stay 100% private.