Merge PDF Online — Free, Fast & Secure
Easily merge multiple PDF files into one organized document. Drag and drop to reorder pages before combining. Fast, free, and secure. Our merge pdf tool works entirely in your browser — no software installation required. Your files are encrypted with 256-bit SSL and automatically deleted after processing. No signup or account needed.
Whether you're on Windows, Mac, Linux, iPhone, or Android — our merge pdf tool works perfectly on any device with a web browser. Process .PDF files up to 100 MB for free, or upgrade to Premium for files up to 4 GB with batch processing.
Why use our merge pdf tool?
- ✓Drag and drop to reorder
- ✓Combine unlimited files
- ✓Preview before merging
- ✓Maintains original quality
- ✓100% free — no registration required
- ✓Works on all devices and browsers
- ✓Files are encrypted and auto-deleted for your privacy
Frequently Asked Questions
Is merge pdf free?
Yes! Our merge pdf tool is completely free for files up to 100 MB with up to 25 files per task. No signup, no credit card, no hidden fees.
Is it safe to merge pdf online?
Absolutely. All files are transferred over encrypted HTTPS connections. We process your files securely and automatically delete them within 2 hours. Your documents are never shared or accessed by anyone.
What is the maximum file size?
Free users can process files up to 100 MB. Premium users enjoy increased limits up to 4 GB per file, plus batch processing for up to 500 files at once.
Does it work on mobile devices?
Yes, our merge pdf tool is fully responsive and works on smartphones, tablets, laptops, and desktops. No app download required — just open your browser and start processing.