How to merge PDF files into one

Combining several PDFs into a single document is one of the most common things people need to do, whether it is stitching together scanned pages, bundling receipts, or assembling a report from separate sections. Here is how to merge PDFs quickly, keep them in the right order, and do it without uploading your files to anyone.

Merge PDFs in four steps

• Open the Merge PDF tool.
• Add the PDF files you want to combine. You can select several at once.
• Drag the files to arrange them in the exact order you want the final document to follow.
• Merge, then download the single combined PDF.

Because PawPDF works entirely in your browser, the files never leave your device. That matters when you are combining documents that contain personal or financial information.

Get the page order right

The order of the files in the list is the order of the pages in the output. Before you merge, double-check the arrangement, especially if your files are named in a way that does not sort naturally (for example "page2" sorting before "page10"). Reorder by dragging rather than relying on the file names.

Keeping file size and quality sensible

Merging does not re-compress your pages, so the combined file is roughly the sum of the parts. If the result is larger than you would like, compress it afterward rather than lowering quality up front, so you keep the originals intact. Text and vector content stay crisp; scanned pages remain images at their original resolution.

Common questions

• Can I mix scanned and digital PDFs? Yes. They combine into one document regardless of how each page was produced.
• Will bookmarks or form fields survive? Basic page content merges reliably. Complex interactive features can vary, so verify the result if your source files rely on them.
• Is there a file limit? There is no artificial cap. The practical limit is your device's memory, since everything is processed locally.