How do I merge PDF files online for free?▼
Drag and drop your PDF files into FileNaut, rearrange them in any order, then click Merge. Your combined PDF is ready to download instantly — no signup or upload required.
Is it safe to merge PDFs online?▼
Yes. FileNaut processes everything in your browser. Your files never leave your device or get uploaded to any server, making it completely private and secure.
Can I reorder pages before merging?▼
Absolutely. After adding your PDFs, drag and drop them into any order. You can also remove individual files before merging into the final document.
What is the file size limit for merging PDFs?▼
Since processing happens in your browser, there is no server-side file size limit. Performance depends on your device, but most files up to 100MB merge without issues.