ConvFiles › PDF Tools › Merge PDF Files
🔒 100% Private — files never leave your device

Merge PDF Files

Combine multiple PDFs into one document. Drag to add files — thumbnail previews show each page.

📎
Drop PDF files here
Or click to browse · Add multiple files
Ad Space

How to Merge PDFs Online

Add your PDF files by clicking or dragging. Each file shows a thumbnail preview of the first page. Reorder files by removing and re-adding them. Click Merge — your combined PDF downloads immediately, processed entirely in your browser.

Frequently Asked Questions

Is there a page or file limit?
No. Add as many PDFs as your browser can handle. Very large batches may take a few seconds.
Does merging reduce quality?
No. Pages are copied as-is with no re-encoding.
Can I reorder files?
Remove and re-add files in the desired order.
Are files uploaded?
Never. PDF-lib runs locally in your browser.

Related Tools

🗜️
Compress PDF
Reduce size
✂️
Split PDF
Extract pages
🔄
Rotate PDF
Fix orientation
Ad Space
Ad Space