PDF only · max 20 files · max 50 MB each
Merge multiple PDF files into a single, organized document in seconds. Our online PDF merger is free, secure, and works on any device, making it the perfect tool for students, professionals, and anyone who needs to consolidate documents. Whether you are combining invoices for accounting, merging chapters for a book, or compiling project reports, Doxi PDF makes the process seamless.
Unlike other tools, we process your files directly in your browser. This means your sensitive documents never leave your device, ensuring 100% privacy and security while delivering lightning-fast results.
How to combine PDF files online:
- Select your files: Click 'Select PDF files' or drag and drop your documents into the merge area. You can select multiple files at once.
- Reorder pages: Drag the file thumbnails to arrange them in the exact order you want them to appear in the final document.
- Merge and Download: Click the 'Merge PDF' button to combine your files. Your new PDF will be ready to download instantly.
Key Features:
- 100% Secure Processing: Files are processed locally using WebAssembly technology. No server uploads means no data breaches.
- Unlimited Merging: Combine as many files as you need without hitting paywalls or daily limits.
- Cross-Platform Compatible: Works perfectly on Windows, Mac, Linux, iOS, and Android devices.
- Preserves Quality: Your merged document retains the original formatting and resolution of the source files.
Frequently Asked Questions
Is it safe to merge confidential documents?
Yes! Since Doxi PDF runs entirely in your browser, your files are never uploaded to a remote server. You can safely merge contracts, medical records, or financial documents.
Can I rearrange files after uploading?
Absolutely. Before merging, you can drag and drop your files to change their order, ensuring your final document flows exactly how you want it.

