Merge PDF

Combine multiple PDF files into one single document in seconds.

Lightning Fast

Processed locally in browser or instantly in cloud

Privacy First

Files are deleted automatically after processing

Forever Free

Unlimited usage, no registration required

Merge PDF Files Online

Combine your PDF files into one streamlined document. Organize them in the order you want and save the result. No software installation required.

1

Upload PDFs

Drag & drop or select multiple PDF files to merge.

2

Reorder

Drag thumbnails to rearrange the page order.

3

Merge & Download

Click 'Merge PDF' and download your new document.

Why Choose Our PDF Merger?

  • Simple & Fast: Merge documents in seconds.
  • Secure: Files are processed locally, protecting your privacy.
  • Free: Combine an unlimited number of PDF files.
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Merge Now

The best way to organize your PDF documents.

How to Merge PDF Files Online for Free (2026 Guide)

The Easiest Way to Combine PDFs

Whether you're compiling a report, merging invoices, or organizing e-books, combining multiple PDF files into one is a common need.

Omibox Merge PDF makes this process effortless.

3D Illustration of PDF Files Merging
Visualizing the seamless merging of multiple PDF documents into a single file.

Why Merge PDFs?

  1. Organization: Keep related documents together.
  2. Sharing: Send one file instead of ten attachments.
  3. Printing: Print a single document sequence easily.
Desktop SoftwareOmibox Online Merger
Requires installationNo download needed
Often paid/expensive100% Free
Uses PC resourcesCloud processing

Step-by-Step Guide

1

Select Your Files

Click the "Select PDF files" button above or drag and drop your files directly into the blue box. You can select up to 50 files at once.

2

Reorder Pages

Once uploaded, you'll see thumbnails of your PDFs. Drag and drop them to rearrange the order. The top-left file will be the first page.

3

Merge and Download

Click the "Merge PDF" button. In seconds, your new combined document will be ready (automatically downloaded).

Expert Tips

  • File Naming: Rename your unified file immediately so you don't lose it.
  • Compression: If the merged file is too large, use our Compress PDF tool afterwards.

FAQ

Q: Is it secure? A: Absolutely. Your files are processed using secure encryption and are permanently deleted from our servers within 2 hours.

Q: Can I merge PDF and JPG? A: Yes! Our tool supports mixed file types. You can combine images and PDFs into a single PDF document.