PDF Editor Lab – Local PDF merging and splitting without uploads

Summary: PDF Editor Lab is a free online tool that merges and splits PDFs entirely within your browser, ensuring files never leave your device. It processes PDFs locally using JavaScript, eliminating server uploads and enhancing privacy.

What it does

It merges multiple PDFs with drag-and-drop reordering and splits PDFs into pages or page ranges, all without requiring software installation. The tool works on any device and offers three free operations daily, with a Pro plan for unlimited use.

Who it's for

Users needing to merge or split PDFs privately, especially those handling sensitive documents like contracts or invoices.

Why it matters

It prevents file uploads to servers, addressing privacy concerns by processing PDFs entirely on the user's device.