Free PDF Merge Online
Combine multiple PDF files into one. Reorder pages, remove files, and merge instantly. Your files never leave your device.
Supports PDF · up to 50 MB each
How It Works
- Upload PDFs: Drop or select multiple PDF files to merge.
- Arrange: Use up/down buttons to reorder pages. Remove unwanted files.
- Merge: Click "Merge PDFs" to combine all files into one. Processing happens instantly in your browser.
Why Merge PDFs?
Merging PDFs is essential for organizing documents, creating reports from multiple sources, preparing submissions, or reducing file clutter. Instead of sending multiple attachments or creating complex file structures, combine everything into one easy-to-share PDF. Perfect for contracts, presentations, invoices, and documentation.
Features
- Unlimited files: Merge as many PDFs as you need.
- Reorder pages: Arrange files in any order before merging.
- Privacy: All processing happens locally in your browser. Files never uploaded to any server.
- Fast: Instant merging with no waiting or queues.
Frequently Asked Questions
Can I reorder files after uploading?
Yes. Each file shows up/down buttons to adjust order. Files are merged in the order they appear in the list.
What's the file size limit?
Each PDF can be up to 50 MB. Total merged file size depends on your browser's available memory, but typically you can merge files totaling several hundred MB.
Are my PDFs uploaded to a server?
No. All merging happens locally in your browser using pdf-lib. Your PDFs never leave your device, ensuring complete privacy and security.
Can I merge PDFs on mobile?
Yes. This tool works on desktop, tablet, and mobile browsers. Just tap to select files and merge.
What if a PDF is corrupted?
The tool will show an error for corrupted files. Try re-exporting the PDF from its source, or use an online PDF repair tool first.