Merge PDF Files
Combine multiple PDF files into one organized document, free and entirely in your browser
Drag files here or click to choose
This PDF is password-protected, so its contents cannot be read — there is nothing wrong with your file. Remove the password with Unlock PDF first, then come back.
🔒 All processing happens in your browser — your files are never uploaded to any server
How to use it
- Upload your filesDrag your PDF files onto the drop zone or click "Choose files". You can select several at once.
- Set the orderFiles are merged in the order you upload them. Remove any file with the ✕ button and re-add it to change the order.
- Click "Merge Files"Merging happens inside your browser — nothing is uploaded to a server and there is no queue to wait in.
- Download the resultYou get a single PDF containing every page in the order you set.
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Frequently Asked Questions
Is my data safe?
Completely. Merging happens entirely in your browser via JavaScript — your files are never uploaded to any server.
How many files can I merge at once?
There's no strict limit, but very large or numerous files may slow your browser down.
Does file order matter?
Yes, files are merged in the order you upload them. You can remove and re-add files in a different order if needed.