Merge PDFs

Stack your PDFs in order.

Drop two or more PDFs, drag to reorder, hit merge. The combined file downloads to your device — nothing is uploaded.

stays on this device

How it works

How to merge PDF files

  1. 1

    Upload your PDFs

    Drop two or more PDF files onto the uploader. You can add more files after the initial upload - there is no hard limit on the number of documents.

  2. 2

    Reorder as needed

    Drag and drop the file cards to set the exact order you want in the final PDF. Thumbnail previews help you confirm you have the right documents.

  3. 3

    Download the merged file

    Click Merge PDF. The combined document is built locally and downloaded straight to your device - nothing leaves your browser.

Merging PDFs used to mean installing desktop software or trusting a random website with your documents. The PDF merge tool in PDFsuite works entirely offline inside your browser, so sensitive contracts, financial statements, or personal files stay private. Drag multiple PDFs onto the page, reorder them with a simple drag, and hit Merge - the whole process takes under a minute.

Because everything runs client-side, there is no upload wait and no file-size cap imposed by a server. Large presentation decks, scanned archives, or batches of invoices all merge at the same speed your machine can process them. The tool uses pdf-lib to stitch documents together while preserving bookmarks, links, and embedded fonts from each source file.

PDFsuite is free to use for merging PDFs. No account, no email, no watermark on the output. The merged file is yours the moment you click download. If you need to merge PDFs regularly - weekly reports, monthly statements, compiled research - the tool works just as well the hundredth time as it does the first.

FAQ

Common questions

Is the PDF merge tool free?
Yes. Merging PDFs is completely free with no page limits and no watermarks added to the output file.
Do my files get uploaded to a server?
No. Every file you add stays in your browser. The merge runs locally using JavaScript and pdf-lib - nothing is transmitted to any server at any point.
How many PDFs can I merge at once?
There is no hard cap. In practice, performance depends on your device - merging dozens of large PDFs may take a few seconds on slower machines, but the browser handles it without any server involvement.