Merge PDF files
Combine two or more PDFs into a single file. Drag the files into the order you want. Everything happens in your browser.
How it works
- 1
Drop two or more PDF files into the box, or click to choose them.
- 2
Drag the files into the order you want them to appear.
- 3
Click Merge PDFs and download the combined file.
Secure and private by design
- Files never leave your deviceThe tool runs as JavaScript in your browser. There is no upload and no server-side copy of your document.
- Works offlineAfter the page loads, you can disconnect from the internet. Processing does not need a connection.
- No queue, no limitsYour device does the work, so there is no waiting line, no daily quota, and no watermark.
Frequently asked questions
Drag a file up or down in the list, or use the arrow buttons. The merged PDF follows the order of the list from top to bottom.
No. Pages are copied as they are. Fonts, images, and vector graphics stay exactly the same. The tool does not re-render or compress anything.
Not yet. Remove the password in your PDF viewer first (open the file, enter the password, then print or save it as a new PDF), and merge that copy.
No. PDF Anvil runs entirely in your browser. Your file is opened by JavaScript on your own device, and the result is built there too. Nothing is sent to us. You can turn off your internet connection after the page loads and the tool still works.
No. There is no page limit, no file count limit, and no daily quota. The only limit is the memory of your device. Files above 100 MB show a warning, but they still work on most computers.
Yes, it is free, and there is no account. No sign-up, no email, no watermark, and no premium tier. PDF Anvil is a KafLabs side project that exists to be useful.