Merge PDF files online
Combine multiple PDFs into a single document — reorder them however you need. Everything runs in your browser, so your files stay completely private.
Drop PDFs here, or browse
Files stay on your device — nothing is uploaded.
How to merge PDF files
Drag your PDF files into the box above, or click to browse and select them.
Use the arrows to arrange the files into the order you want them combined.
Click Merge PDFs and download your single combined document.
Frequently asked questions
Yes. There are no accounts, no watermarks, and no daily limits. Merge as many PDFs as you like, as often as you like.
No. Merging happens entirely inside your browser using WebAssembly. Your documents never leave your device, which makes this safe for confidential and sensitive files.
Yes. After adding your files you can move each one up or down to set the exact page order in the final document.
There is no fixed limit. Because everything runs locally, the practical limit depends on your device’s available memory.