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Upload PDFs
Select two or more PDF files from your device to start merging.
Larger files may take longer to process.
Merge PDF Online
Combine PDF files in your chosen order. Merging runs locally in your browser, with no account, server upload, watermark, or quality conversion.
Drag PDFs here or choose files
Combine PDF files in your chosen order. Merging runs locally in your browser, with no account, server upload, watermark, or quality conversion.
How to merge PDF files
Quickly combine multiple PDFs into a single document - free, secure, and without watermarks.
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Merge files
Arrange the order of your PDFs and combine them into one document directly in your browser.
Merging happens instantly without server uploads. - 3
Download result
Save the merged PDF file to your device - ready to use, share, or archive.
Your PDFs never leave your browser.
Privacy by design
Combine PDF files in your chosen order. Merging runs locally in your browser, with no account, server upload, watermark, or quality conversion.
Frequently asked questions
You can merge standard PDF documents together into one file. Currently only PDF files are supported to ensure stability and privacy.
At the moment our Merge tool is focused on combining PDF files only. To convert images into PDF first, you can use our PDF converter tool and then merge the results.
Yes! You can easily rearrange your PDFs before merging. The final file will follow the order you choose.
Large PDFs are supported. Processing time depends on your device performance and browser memory, since everything runs locally.
Because the merge happens entirely in your browser using WebAssembly. Large PDFs may require more memory and time, but your files never leave your device.
When you click Download, the merged PDF is generated in your browser’s memory (via WebWorker) and then saved directly to your computer. Nothing is uploaded to servers.
Combine PDF files in your chosen order. Merging runs locally in your browser, with no account, server upload, watermark, or quality conversion.
Yes, it’s completely free. There are no hidden costs, no watermarks, and no sign-up required.
Yes! The tool works on Windows, macOS, Linux, as well as mobile devices with iOS and Android, directly in the browser.
No installation is required. Simply open the website in your browser, upload your PDFs, merge them, and download the final file.
No. The merge process keeps the original content, fonts, and images intact. Your final file will have the same quality as the originals.
Yes. Since everything runs locally in your browser, your sensitive files never leave your computer or phone.