
Upload, click merge, and download your polished manual in under a minute.

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 proprietary manuals stay private. Files move through encrypted channels, are processed by automated scripts, and vanish from our servers after 60 minutes - no human ever opens them.
Unmatched Simplicity
Focus on documentation, not distractions. The merge workspace stays clean and ad-free while you work, so you can drag, drop, combine, and move on.
Universal Access
Merge manuals at your desk or on the production line. Free PDF Combiner runs perfectly on any device with a modern browser - no installs, always up to date.