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Merge PDF

Combine multiple PDFs into a single document instantly. 100% private, no server tracking.

Drag & Drop PDFs here

Or click to browse your local files. You can upload multiple PDFs at once.

Merge PDF Files Online

Combine multiple PDF documents into a single file quickly and easily. Whether you're combining invoices, reports, or scanned documents, our tool makes the process seamless and secure. Best of all, it works entirely in your browser.

How to Merge PDFs

  1. Upload your files: Drag and drop your PDF files into the designated area, or click "Select Files" to browse your computer.
  2. Rearrange the order: Once uploaded, you can drag and drop the files in the list to change their order, or use the up/down arrows. The top file will be the first pages in your merged document.
  3. Merge: Click the "Merge PDFs" button. The merging process is incredibly fast.
  4. Preview & Download: A preview window will appear letting you verify the merged document. Click "Download" to save it to your device.

Why use our PDF Merger?

  • Client-Side Processing: Your highly sensitive PDF documents never leave your computer. The merge happens locally using JavaScript, ensuring maximum privacy.
  • No File Size Limits: Because there are no server uploads, you aren't restricted by arbitrary file size limits (subject to your device's memory).
  • Free and Unlimited: Merge as many PDFs as you want, as often as you want, completely for free.

Frequently Asked Questions

Simply drag and drop your PDF files into the upload box. You can rearrange their order by dragging them up and down in the list. Once they are in the correct order, click "Merge PDFs" to generate a single document.
No! Because our tool runs entirely in your local browser instead of uploading to a server, there are no arbitrary file size limits. You are only limited by the memory capacity of your device.
Yes. Our PDF merger is 100% private. Your files are processed locally using WebAssembly and are never uploaded, stored, or viewed by our servers.
No, merging PDFs does not affect their quality. The tool simply stitches the pages together while preserving the original resolution, text, and formatting of each file.