Merge PDF
Combine PDFs directly in your browser - no uploads, no watermarks, just privacy.
Drag PDFs here or choose files
Merge PDF files online fast and free. Easily combine multiple PDF documents into one single file with our secure PDF merger tool. No watermarks, no registration required. Works in your browser - your PDFs never leave your device, ensuring privacy and safety. Perfect for joining invoices, contracts, e-books, or scanned pages into one organized document.
How to merge PDF files
Quickly combine multiple PDFs into a single document - free, secure, and without watermarks.
Upload PDFs
Select two or more PDF files from your device to start merging.
Merge files
Arrange the order of your PDFs and combine them into one document directly in your browser.
Download result
Save the merged PDF file to your device - ready to use, share, or archive.
More HatchMyPDF tools
Free, watermark-free, privacy-first. Everything runs in your browser.
Merge PDF online — free, private, no watermarks (FAQ)
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.
Yes. All processing happens 100% locally in your browser. No uploads, no file storage, and no watermarks.
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.