This specialized online tool is designed to merge two separate single-page PDF documents onto a single page, arranging them side by side (in a vertical layout). It is particularly useful for consolidating invoices, receipts, or any two related pages for efficient printing and archiving. The standout feature is its commitment to preserving the integrity of your original files: it guarantees **no auto-rotation and no unwanted scaling** of your content. This ensures that all text, graphics, and signatures remain at their original size and orientation, preventing any misalignment or readability issues. Simply upload your files, and get a clean, professional merged PDF instantly—all processing is done securely in your browser for maximum privacy.