Merge PDF Tool
Combine multiple PDF files into one document instantly — 100% free, no signup, no file uploads
Drag & drop PDF files here
or
Supports multiple PDF files. All processing happens locally in your browser.
No files selected. Drag & drop PDFs above.
Ready to merge
All processing happens in your browser. Your files never leave your device.
1
Upload PDFs
Drag & drop or click to select
2
Reorder
Arrange files in desired order
3
Merge
Click merge — processing locally
4
Download
Get your merged PDF instantly
Fast & Secure
Merge PDF files in seconds. All processing happens locally in your browser.
No Uploads
Your files never leave your device. Maximum privacy and security guaranteed.
100% Free
No watermarks, no signups, no premium tiers. Unlimited merges.
Works Anywhere
Compatible with Chrome, Safari, Firefox, Edge — on mobile and desktop.
Reorder Files
Arrange your PDFs in any order before merging.
Batch Processing
Upload and merge multiple PDF files at once.
Frequently Asked Questions
Is this merge PDF tool really free?
Yes, 100% free with no hidden fees, watermarks, or registration. Unlimited merges.
Is my data secure?
All processing happens locally in your browser. Your PDF files never leave your device.
Can I merge multiple PDFs at once?
Yes, you can upload and merge multiple PDF files in any order.
Can I reorder files before merging?
Yes, use the up and down buttons to arrange files in your preferred order.
What file sizes are supported?
Most PDFs up to 100MB are supported. Larger files depend on browser memory.
Will there be watermarks on my merged PDF?
No, your output file will be completely clean with no watermarks or branding.