Merge PDF
Add your PDFs, put them in order, and download the combined file.
Your PDFs
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Domande frequenti
Are my documents uploaded?
No. The page loads a PDF library into your browser and does the work there. Your files are read from disk by the browser, changed in memory and handed straight back to you as a download. No part of them is sent over the network, and there is nothing on our side that could keep a copy.
How is that different from the big PDF sites?
Most of them upload your file to their servers, process it there and delete it later — typically after an hour or so. That means your document sits on someone else’s computer for a while. Here it never leaves the tab, so there is nothing to delete.
Is there a size limit?
Only what your device can hold in memory. There is no upload, so there is no upload limit, but a very large merge on a phone may be slow or run out of memory. Desktop browsers handle a few hundred megabytes comfortably.
Does it work with password-protected PDFs?
Not yet. A PDF that needs a password to open cannot be read, and the tool will tell you so instead of failing silently. Remove the password in your PDF reader first.