Upload multiple PDFs, see every page as a thumbnail, drag to reorder across files, then merge and download. Everything runs 100% in your browser — your files never leave your device.
merged.pdf.No. Files are read with pdf.js, rendered as thumbnails, and merged with pdf-lib — all in your browser. Nothing is uploaded, logged, or transmitted, so confidential PDFs (contracts, medical records, financial documents) stay completely private.
Yes — that's the whole point. Every page from every uploaded PDF appears as its own draggable thumbnail. You can interleave pages from different files in any order, and hover any card and click × to exclude that page from the merged output.
No. Pages are copied at the vector level — text stays searchable, embedded fonts are preserved, and images keep their original resolution. The output is equivalent to what desktop tools like Acrobat Pro produce, just without the subscription.