Merge PDF — Combine Multiple PDF Files Into One Free
Merge PDF Tool – Combine Multiple PDFs into One File
Need to combine multiple PDF documents into a single file? Our Merge PDF tool lets you upload multiple PDFs and merge them into one document in the order you choose — instantly and for free.
Popular Use Cases
- Combine multiple invoice PDFs into one file
- Merge scanned documents into a single PDF
- Combine chapters of a book or sections of a report
- Attach multiple documents as a single PDF email attachment
Drag-and-Drop Reordering
You can reorder the PDFs before merging to control the final page sequence.
How to Use
- Click "Choose Files" and select all the PDFs you want to merge.
- Arrange them in the desired order (drag and drop if supported).
- Click "Merge PDF".
- Download your combined PDF file.
Frequently Asked Questions
You can merge up to 20 PDF files in one operation.
No. Merging preserves all original content and quality.
You will need to unlock them first using our Unlock PDF tool before merging.
No strict page limit, but very large files may take longer to process.