Merge PDF
Combine multiple PDF files into one document. Arrange the files in the order you want, merge them in your browser, and download the final PDF.
Drop PDF files here
Select two or more PDF files. You can reorder them before merging.
How to merge PDF files
- Select two or more PDF files.
- Use the up/down controls to arrange their order.
- Click Merge PDFs.
- Download the combined PDF file.
Password-protected or damaged PDF files may not be mergeable.
Private by design
Your PDF files are processed locally in your browser using PDF-Lib. They are not uploaded to Tools2030.
Related PDF tools: Split PDF, Compress PDF and JPEG to PDF.
For a step-by-step walkthrough, see How to Merge PDF Files Online.
For very large PDFs, merging speed depends on your device memory and browser.
Features and Common Use Cases
Merge PDF combines multiple PDF files into one document. It is useful for reports, application documents, scanned paperwork and any workflow where separate PDFs need to be delivered together. Processing is performed in the browser on supported files.
Frequently Asked Questions
How many PDF files can I merge?
You can select two or more PDF files and combine them into one document.
Can I change the order of the PDF files?
Yes. Use the up/down controls to arrange the files in the order you want before merging.
Are my PDF files uploaded to a server?
No. Your PDF files are processed locally in your browser using PDF-Lib. They are not uploaded.
Can I merge password-protected PDFs?
Password-protected or damaged PDF files may not be mergeable.
Is the Merge PDF tool free to use?
Yes, it is free to use.