Merge PDFs
Combine multiple PDF files into one. Drag to reorder before you download.
How to merge PDF files with PDFcub
Upload your PDFs
Drag and drop your PDF files into the browser. No upload to any server.
Arrange pages
Drag to reorder files and pages. Preview every page before merging.
Download result
Get your merged PDF instantly. Files never leave your device.
Why use PDFcub for merge PDF files?
100% private
Your PDFs are processed entirely in your browser. We never see, store, or touch your files.
No quality loss
PDFcub combines PDFs without re-encoding. Quality stays exactly the same.
Free to use
Merge up to 3 PDFs per day for free. No signup required to start.
No watermarks on Pro
Pro users get clean files without the 'Made with PDFcub' watermark.
Common questions
Is it safe to merge PDFs online?
PDFcub processes files in your browser. Your PDFs are never uploaded to any server.
How many PDFs can I merge at once?
Free users can merge up to 3 files. Pro users can merge up to 50.
Does merging PDFs reduce quality?
No. PDFcub combines PDFs without re-encoding. Quality stays identical.
Do I need to sign up to merge PDFs?
You can merge without an account. A free signup is needed to download the result.
Your files stay in your browser · Nothing gets uploaded to any server
