PDF Tools

Free Merge PDF

Combine multiple PDF files into one document. Arrange them in the order you want and download the merged PDF — no upload required.

Private by default — your PDFs stay on your device.

Merge your PDFs

Your PDFs

Choose PDF filesor drag and drop them here

Choose at least two PDFs. Up to 20 files, 25 MB each, 100 MB total and 300 pages.

No PDFs selected yet.

    Your merged document

    The pages keep their original size and order. Move files up or down before merging.

    Choose PDFs to get started.

    Step-by-step guide

    How to Merge PDF Files Without Uploading Them

    Put PDFs in the right order, check the result and understand which document features may need another look.

    Read the guide

    How it works

    1. Add two or more PDF files.
    2. Use Move up and Move down to choose their order.
    3. Merge and download one PDF with all pages.

    Your PDFs stay yours

    Your files are read and merged in this browser. TestiFollow does not upload or save them. Visible pages keep their dimensions and quality. Bookmarks, document-level metadata and some interactive features may not transfer; content or metadata embedded in pages can remain. Check sensitive documents before sharing the result.

    Frequently asked questions

    Are my PDFs uploaded?

    No. Your source files and merged PDF stay on your device.

    Does merging reduce quality?

    No pages are turned into images or scaled. The visible page content is copied into a new PDF.

    Can PDFs have different page sizes?

    Yes. Portrait, landscape and mixed page sizes are kept.

    Can I reorder files?

    Yes. Move each file up or down before merging. Its pages stay together in their original order.

    Can I merge password-protected PDFs?

    No. Remove the password with your document owner’s permission, then try again.

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