Start merging up to 50 academic PDFs instantly - no sign-up required.
Go From Scattered Files to a Single PDF in 3 Clicks
1. Upload Files
Click the button above to enter the app. Drag and drop all your PDF files into the secure uploader.
2. Arrange Order
Drag your files into the perfect sequence. Put the most important document at the top.
3. Download Merged PDF
Hit the merge button. Your new, combined PDF will be ready to download instantly.
Why Choose PDF Merger?
Absolute Privacy
Your unpublished papers, datasets, and confidential manuscripts stay private. Free PDF Combiner encrypts every transfer, processes files on secure servers, and auto-deletes everything within 60 minutes - no human eyes, ever.
Unmatched Simplicity
Focused like a blank lab notebook: zero pop-ups, blinking ads, or nested menus. Just drag, reorder, and click “Combine” so you can get back to your research.
Universal Access
Whether you’re in the library on a MacBook, at the lab on a PC, or reviewing articles on a tablet at a conference, Free PDF Combiner runs flawlessly in any modern browser - no downloads, admin rights, or VPN required.