PDF Tools
Merge PDF
Combine multiple PDF files into one. All processing happens in your browser - no files are uploaded to any server.
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Your files never leave your browser. No server upload.
Upload PDFs
How It Works
Select multiple PDF files using the file picker or drag and drop. Reorder them by dragging. Click Merge to combine all PDFs into a single file. The result downloads automatically.
Frequently Asked Questions
No. All processing happens locally in your browser using JavaScript. Your files never leave your device.
We recommend keeping files under 50MB for optimal performance. Larger files may slow down your browser.
Yes. You can drag and drop to reorder the PDFs before merging.