Merge PDF Files Online

Combine multiple PDF documents into a single file in seconds. Your documents stay private. Your file is processed securely on our servers and automatically deleted right after conversion.

How to merge PDF files

1. Select or drag and drop the PDF files you want to combine.
2. Reorder the files if needed by dragging them into the desired sequence.
3. Click the Merge button to combine all PDFs into one document.
4. Download the merged PDF file to your device.

Frequently asked questions

Is there a file size limit?

Files up to 200 MB are supported, which covers virtually all everyday documents. Larger files may take a bit longer to process.

Are my files safe?

Yes. Your file is transmitted over an encrypted connection, processed on our servers, and automatically and permanently deleted immediately after processing. We never access, share, or store your content.

How many PDFs can I merge?

You can merge as many PDF files as you need in a single operation.

Does it work on mobile?

Yes. IslandPDF works on any modern browser including Chrome, Firefox, Safari, and Edge on desktop and mobile.