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Merge PDF

Combine multiple PDF files into one document.

Processed in your browser

Step 1

Choose PDFs

Choose files to get started. They stay in your browser.

Step 2

Choose options

Merge PDFs

Combine your documents into one PDF.

Selected files—
One merged PDF—
Choose your file order

Use the arrows below each PDF. Pages stay in their original order.

Total file size—

Processed in your browser · No upload needed.

How your file is processed

Supported files are processed in this browser. If local processing is unsuitable, FileFit explains the limit and does not upload the file.

File privacy details

About this tool

Merge PDF

Safe PDF workloads merge locally in the browser, preserving the order shown below.

  • Local PDF merge
  • Accessible ordering controls
  • No source upload

Need help?

Review tool guidance and privacy details.

Visit Help Center

How to use it

How to use Merge PDF

  1. 1
    Choose at least two supported PDFs.
  2. 2
    Arrange the PDFs in the order you want.
  3. 3
    Merge and download the combined PDF.

Good to know

Helpful notes

Join two or more PDF documents into one file when you need their pages together, such as combining separate document sections.

Move files up or down before merging. Pages inside each source PDF remain in their original order.

Keep working

View all tools
Split PDF Choose one page range and save it as a new PDF. Compress PDF Try to make a PDF smaller for sharing or upload. Temporary server processing Images to PDF Arrange JPG or PNG images into one PDF.

Before you begin

Merge PDF questions

What determines the merged page order?

FileFit follows the visible file order, then preserves each PDF’s internal page order.

Can I remove or reorder a selected PDF?

Yes. Use the selected-file controls before merging.

Does Merge PDF edit pages inside a source file?

No. It joins whole PDFs in the order shown. Use Split PDF first if you need only a page range from a document.

Are my PDFs uploaded?

No. Safe supported PDF merges happen in your browser.