
Start for free - just upload, arrange, and download your unified document

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 blueprints, calculations, and RFIs stay confidential. Every file is transferred with bank-grade encryption and erased from our servers within 60 minutes - no one, not even our dev team, can view your proprietary designs.
Unmatched Simplicity
Zero clutter - just a canvas to drop your PDFs, reorder sheets, and hit “Combine.” No pop-ups, no learning curve, so you can finalize a submittal before the next site meeting.
Universal Access
On site with a tablet or in the studio on a BIM workstation, Free PDF Combiner runs in any modern browser - nothing to install, ever.