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Merge PDF
Combine multiple PDF files into a single document. Reorder files before merging. 100% in your browser.
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How it works
OpenToola loads each PDF in your browser, copies all pages in the order you choose, and creates a new merged PDF. No file is ever uploaded.
Steps
- Select two or more PDF files.
- Reorder them with the up/down buttons.
- Click Merge.
- Download the merged PDF.
Frequently asked questions
Is there a file size limit?
Only your browser memory. Large files may be slow on mobile devices.
Are my files uploaded?
No. Everything runs locally in your browser.
Processed locally — your files never leave your browser.