Organize
Merge PDF
Combine multiple PDF files in the exact order you choose, with no account and no surprise download charge.
Drop PDF files here
or choose two or more PDFs
Up to about 100 MB per file and 500 pages per document, depending on your device. Nothing is uploaded to a server.
Your file is ready
DownloadHow to merge pdf
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Add PDFs
Choose two or more PDF documents from your device.
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Arrange them
Drag files into the order you want in the result.
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Merge and save
Create the combined PDF and download it clearly.
About this tool
Use Merge PDF when a report, application, receipt set, or project arrives in separate files. PDFToolWorks preserves the file sequence you choose and gives the combined document a predictable name.
Practical tips
- Check that the files open correctly before combining them.
- Put cover pages and appendices in the intended order.
- Review the final page count before sharing the result.
Frequently asked questions
Can I change the file order before merging?
Yes. Drag files into the exact sequence used for the output.
Does merging reduce PDF quality?
The default workflow preserves original pages. Optional optimization explains any quality tradeoff.
Guide