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Merge PDF Files Online

Combine multiple PDF files into one document. Drag to reorder, rotate individual files, and download instantly. Private, fast, and mobile-friendly.

Why choose our secure PDF merger

This browser-first workspace keeps your documents on your device while giving you pro-level controls to combine PDF files offline without stress.

Private by design

Private by design—our secure PDF merger keeps every page local unless you opt into cloud features.

Cloud imports

Download PDFs from Google Drive, Dropbox, or OneDrive to your device, then click “Select PDFs” to add them to the merger.

Offline friendly

Combine PDF files offline after the interface loads, ideal for confidential agreements or low-connectivity travel.

Intuitive controls

Drag-and-drop reordering, rotate, and delete tools help you arrange unlimited pages in seconds.

Engineered for performance

Sequential, on-device processing keeps large PDF merges stable—speed scales with your device’s CPU and memory.

Mobile ready

Responsive layout supports phones and tablets so you can finish merges from any mobile device.

Why pdfjuggler stays ahead

Compare our private, device-first merger with the tradeoffs you see on typical upload-based tools.

Privacy

pdfjuggler
Merges happen locally in your browser so documents never leave your device.
Typical online mergers
Files are uploaded to third-party servers where copies can linger.

Offline speed

pdfjuggler
Once the page loads you can combine large PDFs instantly without waiting on a connection.
Typical online mergers
Uploads, processing queues, and downloads slow down every merge.

Unlimited merges

pdfjuggler
No sign-in, caps, or watermarks—run back-to-back merges freely.
Typical online mergers
Paywalls, daily limits, or account requirements block repeated merges.

Follow these playbooks to merge files on desktop, tablets, or phones while tackling related tasks like rotation, OCR, and secure sharing.

Merge PDF workflows for every device and team

Merge meeting notes into a share-ready packet

Collect agenda PDFs and exported chat notes on your Windows laptop or MacBook. Then drop them into the merger, rotate before merging to keep landscape decks aligned, and follow the organize and rotate PDF pages guide to deliver a share-ready packet everyone can review.

Combine scans and digital PDFs from any workstation

Mix scanner output from your office copier with digital forms on your desktop PC or Chromebook. Then rotate before merging to fix sideways scans and consult the OCR scanned PDFs tutorial if you need searchable text in your final share-ready packet.

Merge PDFs on mobile with Google Drive or Dropbox

Collect receipts and travel docs on your iPhone, Android phone, or iPad. Then combine them in the touch-friendly interface, rotate before merging with the thumb-ready controls so everything reads upright, and follow the mobile PDF merging tutorial for tips on pulling files from Files, Drive, and Photos.

Bundle client deliverables for offline review

Assemble proposals, contracts, and status exports on your MacBook or Surface tablet even when you're offline. Then rotate before merging to align signatures and use our no-upload PDF conversion workflow to keep the share-ready packet secure for stakeholders.

How to merge PDFs

  1. Upload your PDF files (drag & drop or tap Select PDFs).

  2. Drag to change the order. Use the rotate button on a card if needed.

  3. Click Merge PDFs and save the combined file.

Related PDF tools and guides

Rotate PDF

Fix sideways scans or turn pages upright before you merge.

Edit PDF

Add text, images, or annotations to polish the final document.

Frequently asked questions

Is this PDF merger free?

Yes, merging PDFs on pdfjuggler.com is free.

How do I merge PDFs from Google Drive, Dropbox, or OneDrive?

Download the PDFs from Drive, Dropbox, or OneDrive to your device first. Then click “Select PDFs” or drag and drop to add them, reorder, and merge like any other files.

Are my files private?

Files are processed for the merge and not shared. Close the tab to clear local previews.

Can I reorder and rotate files before merging?

Yes. Drag to reorder and use the rotate button shown on each file card.

Does it work on mobile?

Yes. The interface is touch-friendly and supports uploads from your phone.

How fast can it merge large PDFs?

Large merges run sequentially in your browser. The tool processes each file one after another using your device’s CPU and RAM, so performance depends on your hardware. On a modern laptop, combining a few 200–300 MB PDFs or a thousand pages typically wraps up within a minute; older machines or phones may need several minutes.

What is the maximum file size or page count I can merge?

For reliable results, keep each PDF under about 100 MB or a few hundred pages. Bigger files can hit browser memory limits—compress or split them into smaller batches first, then merge the outputs.

How do I merge password-protected or encrypted PDFs?

Unlock the PDF in your viewer before uploading because the merge workspace can only read accessible pages. Remove the password or export an open copy, then consult our PDF Security Best Practices article for tips on reapplying protection after the merge.

Can I combine PDFs with images or other file types?

Yes—convert images or Office files to PDF with the Convert tool or your print-to-PDF option, then drop them alongside existing documents. Our step-by-step merge and organize guides walk through preparing scans, photos, and exported slides so everything flows into one bundle.

Do I need cloud storage or an account to use the merger?

No registration required. The merge runs in your browser, keeps files off third-party clouds, and clears local previews when you close the tab. Only temporary processing buffers are used, so nothing persists on our servers after you finish.