PDFPDF
PDF Merger
Combine multiple PDF files into one document
Your files stay private
All processing happens directly in your browser using WebAssembly. Your files are never uploaded to any server and never leave your device.
Click or drag to add PDFs
Add multiple PDFs — you can reorder them · Ctrl+V to paste
How to Use PDF Merger
- 1
Upload two or more PDF files
- 2
Reorder files using the arrow buttons
- 3
Click Merge
- 4
Download merged PDF
Frequently Asked Questions
How many PDFs can I merge?
You can merge as many PDFs as your browser memory allows. There is no hard limit.
Will bookmarks be preserved?
Basic content and pages are preserved. Advanced PDF features like bookmarks may not transfer.
Features
- Merge unlimited PDFs
- Drag to reorder documents
- Preserves all pages and formatting
- No file size limits
- 100% private — stays in your browser
Supported Formats
Input
PDF
Output
PDFPrivacy First
All conversions happen in your browser. Nothing is uploaded to our servers. Your files remain completely private.