How it works
Add every PDF that should appear in the final document. Use the file list to make sure no chapter, attachment, or scan is missing.
Merge PDF
Combine multiple PDF files in your chosen order.
Free
No signup
Local browser processing
02
Drag the files into the required sequence. The first file becomes the beginning of the merged PDF and the last file becomes the end.
03
Run Merge PDF. The tool copies the pages from each source PDF in sequence into a new document without modifying the originals.
Guide
What this tool does
What this tool does
Combine two or more complete PDF files into one document in the exact order you choose.
Typical uses
- Join separately scanned chapters of one book.
- Bundle contracts, invoices, appendices, or reports into one PDF for delivery.
Detailed step-by-step guide
- Add every PDF that should appear in the final document. Use the file list to make sure no chapter, attachment, or scan is missing.
- Drag the files into the required sequence. The first file becomes the beginning of the merged PDF and the last file becomes the end.
- Run Merge PDF. The tool copies the pages from each source PDF in sequence into a new document without modifying the originals.
- Download the merged PDF and check the first page of each joined section to confirm that the order and boundaries are correct.
What this tool can do
- Accepts multiple PDF files in one operation.
- Preserves the page order inside each source file.
- Creates one new PDF while leaving every original file unchanged.
Tips for this tool
- Rename source files clearly before uploading when you have many parts.
- For very large books, merge logical groups first if your device has limited memory.
Privacy and processing
While using Merge PDF, this published version performs the supported document operation in your browser and does not send the document contents to an external conversion engine. Anonymous usage counters may record activity, not the document contents.
Important limitations
- Password-protected PDFs must be readable before they can be merged.
- Interactive links, forms, or unusual PDF objects can behave differently after documents from different producers are combined.
FAQ
Frequently asked questions
What is Merge PDF best used for?
Join separately scanned chapters of one book. Bundle contracts, invoices, appendices, or reports into one PDF for delivery.
What should I check before using Merge PDF?
Rename source files clearly before uploading when you have many parts. For very large books, merge logical groups first if your device has limited memory.
What are the limits of Merge PDF?
Password-protected PDFs must be readable before they can be merged. Interactive links, forms, or unusual PDF objects can behave differently after documents from different producers are combined.