Merge PDF Files Online
Combine multiple PDFs into one document — free, fast, no signup required.
Drop your PDF files here
or click to browse files
Max 25MB per file (free) · No signup required
How to Merge PDF
Upload PDFs
Click upload or drag and drop your PDF files.
Arrange Order
Drag files to reorder them. Preview pages before merging.
Merge & Download
Click Merge and download your combined PDF instantly.
Features
No File Limit
Merge as many PDF files as you need in a single operation.
Drag & Drop
Simply drag files in and rearrange the order visually.
Preview Pages
See thumbnail previews of every page before merging.
Secure Processing
256-bit SSL encryption. Files stored safely in your account.
LunarPDF's online PDF merger lets you combine multiple PDF files into a single document in seconds. Simply upload your files, drag to reorder, and download the merged result. Whether you need to combine reports, contracts, or presentations, our tool handles it all with no quality loss. Files are processed securely with 256-bit encryption and stored safely in your account so you can access them anywhere. No software installation needed — works on any device with a browser.
Frequently Asked Questions
Related PDF Tools
Split PDF
Split PDF files into individual pages or custom ranges
Compress PDF
Reduce PDF file size without losing quality. Free, fast, no signup.
Rotate PDF
Rotate PDF pages 90°, 180°, or 270°
Delete PDF Pages
Remove unwanted pages from your PDF document
Add Page Numbers
Add page numbers to your PDF documents