Interleave two PDFs
Zip two PDFs together, alternating pages (great for double-sided scans).
Interleave two PDFs is a free tool that runs entirely in your browser. Zip two PDFs together, alternating pages (great for double-sided scans). It’s ideal for reordering, splitting or combining documents before you send, print or archive them. Because everything happens locally with pdf-lib and pdf.js, your files are never uploaded to a server — Interleave two PDFs works instantly, even offline, and keeps every document completely private, with no account, no watermarks and no file-size limits.
How to use Interleave two PDFs
- 1Open the Interleave two PDFs tool and add your PDF files (at least 2). Drag & drop or click to choose.
- 2Press Run — there are no settings to fuss with.
- 3Download your result. The whole thing happens on your device, so your PDF files never leave your browser.
100% private — nothing is uploaded
Unlike most online PDF tools, Interleave two PDFs never sends your PDF files to a server. Everything is computed locally in your browser with JavaScript, so your documents stay on your device. There's no account, no watermark and no file-size limit — and it even keeps working with your Wi-Fi switched off.