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Rearrange PDF pages so printing both sides and folding gives a proper booklet.
Drag & drop your file here
or browse from your device
Folding a stack of printed sheets only reads in the right order if the pages were arranged for it beforehand. This works out that order, which is tedious and easy to get wrong by hand.
Print double sided, flipping on the short edge, then fold the stack in half. If your page count is not a multiple of four, the last few sides come out blank, which is normal for booklets.
Take four sheets of paper, stack them, and fold the stack in half. You now have a sixteen side booklet. The outermost sheet carries page one at the back of the fold and page sixteen at the front. The next sheet in carries two and fifteen, and so on toward the middle.
So the order that reads correctly after folding looks scrambled while the sheets are flat. That is the arrangement this tool works out, and it is why the file will look wrong if you scroll through it on screen.
Drag the file onto the upload area, or browse from your device.
The pages are put in folding order on your own device.
Flip on the short edge. This part matters more than anything else.
Fold all the sheets together down the middle and it reads in order.
Add your PDF and run the tool. It works out which pages need to sit next to each other, then you print double sided and fold the stack in half.
Print double sided and flip on the short edge, not the long edge. Getting that wrong prints every other side upside down, which is the usual reason a booklet comes out wrong.
Because of how folding works. When a stack of sheets is folded in half, the outermost sheet carries the first and last pages, the next carries the second and second-last, and so on inward. The order looks wrong flat and reads correctly once folded.
Booklets are built from folded sheets, and every fold gives four sides, so the total has to be a multiple of four. Ten becomes twelve, and the last two sides come out blank. That is normal and is what a printer would do too.
No. Everything runs inside your browser on your own device. Your file is never sent anywhere, and nothing is stored.
No. Your original PDF stays exactly as it is. The tool creates a new file for you to download.
Yes. It is completely free with no sign-up and no limits.
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