PDF Merge FAQ - Common Questions Answered
Get answers to frequently asked questions about merging PDF files. Learn about file limits, security, supported formats, and troubleshooting tips.
General Questions
What is PDF merging?
PDF merging is the process of combining multiple PDF files into a single document. This is useful when you need to consolidate related documents, combine chapters of a report, or organize scattered PDF files into one cohesive file.
Is this PDF merger really free?
Yes, our PDF merger is 100% free with no hidden costs, no premium tiers, and no feature restrictions. We believe everyone should have access to essential document tools without paying.
Do I need to create an account?
No registration or account creation is required. Simply visit our website and start merging your PDFs immediately.
Security & Privacy
Is my data safe when using this tool?
Absolutely. Our PDF merger processes all files locally in your browser. Your documents never leave your device and are never uploaded to any server. This ensures complete privacy and security for your sensitive documents.
Do you store my files?
No. Since all processing happens locally in your browser, we never have access to your files. Once you close the browser tab, all data is gone.
Can I merge confidential documents safely?
Yes. Because files are processed locally and never uploaded, you can safely merge confidential business documents, legal papers, or personal files without privacy concerns.
Technical Questions
What file size limits apply?
There are no file size limits. You can merge PDFs of any size, from small single-page documents to large files with hundreds of pages.
How many PDFs can I merge at once?
You can merge as many PDFs as you need. There's no limit on the number of files you can combine in a single operation.
Can I merge password-protected PDFs?
Yes, you can merge password-protected PDFs. When you add a protected file, you'll be prompted to enter its password before merging.
What browsers are supported?
Our PDF merger works on all modern browsers including Google Chrome (recommended), Mozilla Firefox, Apple Safari, and Microsoft Edge.