Merge PDF
Merge multiple PDF files instantly — private, fast, and 100% browser-based. No upload required, fully secure and free.
Use ↑ ↓ arrows to reorder your PDFs before merging.
Frequently Asked Questions
Everything you need to know about using AeroPDF — from privacy and performance to supported devices.
Upload your PDF files by dropping them onto the workspace, arrange their order by dragging them around, and click 'Merge PDF'. Your combined document will download immediately.
No, absolutely not. All merging operations are performed locally in your browser memory. Your files are never sent to any server, guaranteeing maximum privacy.
AeroTools has no arbitrary limits on file quantities. You can merge as many PDF files as your local browser memory allows, completely free of charge.
Using Merge PDF online
Merge multiple PDF files instantly — private, fast, and 100% browser-based. No upload required, fully secure and free. This page is designed for users who need a clear, practical result without installing desktop software or sharing more data than necessary.
Who this tool is for
Merge PDF is useful for students, teams, freelancers, and anyone preparing documents for sharing, submission, review, or storage. Start with the file you already have, then download the result when it is ready.
How it works
- 1Choose the file or content requested by the tool.
- 2Review any available options before running the task.
- 3Process the document and check the result before download.
Best results
Use the original file where possible, keep a backup of important documents, and confirm that text, layout, images, and page order meet your needs before you share the output.
Privacy and control
AeroPDF is designed for practical browser workflows. Read our Privacy Policy for current handling details, and use a local copy when working with sensitive information.
Questions about Merge PDF
How do I merge PDF files online?
Upload your PDF files by dropping them onto the workspace, arrange their order by dragging them around, and click 'Merge PDF'. Your combined document will download immediately.
Are my files uploaded when combining PDFs?
No, absolutely not. All merging operations are performed locally in your browser memory. Your files are never sent to any server, guaranteeing maximum privacy.
Is there a limit on how many PDFs I can merge?
AeroTools has no arbitrary limits on file quantities. You can merge as many PDF files as your local browser memory allows, completely free of charge.
Browse organize pdf tools when you need a different document workflow.