Fronts and backs scanned separately, merged into one document in the right order. Free, unlimited, and no file ever gets uploaded to a server.
100% private: everything runs on your computer, your files never leave your device.
Yes, free and unlimited, with no signup and no upload of your scans.
No. Both files are interleaved locally in your browser, so the documents never leave your computer.
Yes. Any modern browser can run it, on desktop or mobile, with nothing to install.
It merges two PDFs by alternating their pages, which turns separately scanned fronts and backs into one document in the correct reading order.
No. You can reverse the second PDF during the mix, which is exactly what is needed when the backs were scanned from last to first.