Does Docukit upload my PDFs to a server?

No. All merging happens 100% in your browser using WebAssembly. Your files never leave your device.

How many PDFs can I merge at once?

Up to 50 PDF files. For very large batches, we recommend splitting into groups if you notice memory warnings.

Yes — expand any file card to see its page thumbnails and select exactly which pages to include, in what order.

Yes. You will be prompted to enter the password for any encrypted PDF before it can be merged.

📄 PDF Tool Free · No Upload · No Account

Merge multiple PDF files into a single document. Drag to reorder pages, select specific page ranges per file, and preserve bookmarks and links.

Files never uploaded No account required Unlimited use, free forever WebAssembly-powered

Drop your files here, or click to browse

PDF files only · Up to 50 files · Drag to reorder

Or press Ctrl+V to paste

Upload your PDFs

Drop your PDF files into the upload area or click to browse. You can add up to 50 files.
Arrange and select pages

Drag files to reorder them. Expand any file to select specific pages. Set advanced options as needed.
Merge and download

Click "Merge & Download" — your combined PDF is ready in seconds, processed entirely in your browser.

Does Docukit upload my PDFs to a server?: No. All merging happens 100% in your browser using WebAssembly. Your files never leave your device.
How many PDFs can I merge at once?: Up to 50 PDF files. For very large batches, we recommend splitting into groups if you notice memory warnings.
Can I reorder pages from different PDFs?: Yes — expand any file card to see its page thumbnails and select exactly which pages to include, in what order.
Are encrypted PDFs supported?: Yes. You will be prompted to enter the password for any encrypted PDF before it can be merged.