Combine multiple PDF files into one — 100% private, all processing in your browser
Drop PDF files here or click to browse
Supports multiple files at once
Merging your PDFs…
Upload multiple PDF files by clicking the upload button or dragging them onto the page. Reorder by dragging the file cards, then click "Merge PDFs" to combine them.
Yes, completely free with no limits on file size or number of PDFs. No signup required and no watermarks added.
Absolutely. All processing happens in your browser using pdf-lib. Your files never leave your device — nothing is uploaded to any server.
Yes. Drag and drop the file cards to reorder them before merging. The file at the top becomes the first section of the merged document.
There is no hard limit. Since processing runs in your browser, the limit depends on your device's available memory.
No. The tool copies pages exactly as they are. Text, images, fonts, and formatting are all preserved perfectly.
The tool requires PDFs to be unlocked. Please remove password protection before uploading.
All modern browsers including Chrome, Firefox, Safari, and Edge work with this tool.