Merge PDFs — Free & Private
Combine multiple PDF files into one document. Drag to reorder pages. 100% offline — your files never leave your device.
Drag & drop files here, or click to browse
Files are processed entirely on your device and are never uploaded to any server.
or import from URL
Frequently Asked Questions about PDF merging
How many PDFs can I merge at once?
Free users can merge up to 3 PDFs per batch. Pro users can merge unlimited files at once.
Can I reorder the PDFs before merging?
Yes. Drag and drop the files to reorder them before clicking Merge.
Will the PDF quality be affected?
No. Pages are copied from the source PDFs without re-processing, so quality is fully preserved.
Are my PDFs kept private?
Yes. PDF merging runs entirely in your browser using pdf-lib — your documents never leave your device.
What is the maximum file size?
Free users can upload files up to 50 MB each. Pro users can upload up to 500 MB, and Business users up to 2 GB.