Rotate a PDF the right way up.
This free rotate PDF tool turns sideways or upside-down pages the right way round — pick a direction and every page rotates at once, without leaving your device.
Three steps, no waiting on a server
Altto's rotate tool works right in your browser tab, so there's no upload queue and no “processing your file” spinner tied to someone else's servers.
Add your PDF
Drop in the sideways or upside-down PDF you want to fix.
Pick a direction
Choose 90° left, 90° right, or a full 180° turn.
Save your PDF
Get back the same document, every page rotated and ready to read.
Why this runs in your browser, not on a server
A scanned document that came out sideways is often something you’d rather not hand to a stranger’s server just to fix its orientation. Altto skips that step completely — there’s no server for it to go to.
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Nothing is uploaded, everEvery PDF is handled by code that runs in this browser tab, because there’s no server on the other end. That also means we can’t see it, copy it or keep it.
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No account, no email wallRotate as many PDFs as you like without signing up or handing over an email address.
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Only the orientation changesText, images and page content are copied through exactly as they were.
documents stored on our servers. There’s no server involved at all — the rotated PDF is built once, then everything happens locally.
Frequently asked questions
The practical details on what this tool can and can’t do. Need to split it into pages afterwards? See our other tools.