Fix Orientation Once, Everywhere
A page that appears sideways is usually the result of a scanner or a phone camera recording one orientation while the document assumes another. It is a small problem that keeps coming back, because rotating in your PDF viewer often only fixes what you see: the file itself is unchanged, and it arrives sideways again for the next person who opens it.
This tool writes the rotation into the PDF. Once saved, the page opens upright in every reader, prints upright, and shows upright when someone else receives it, including in the preview panes of email clients and file managers, which is where a sideways scan is most obvious.
How to Rotate Pages in a PDF
All pages start selected, on the assumption that a document scanned sideways is usually sideways throughout.
- Load the sideways document using the box above. Every page is shown as a thumbnail with its number.
- Choose the turn you need: Left 90°, Right 90°, or Upside down for a page fed into the scanner the wrong way round.
- Leave every page selected if the whole document is affected, that is the common case and takes no extra clicks.
- If only some pages are wrong, click the ones that are already correct to deselect them. A badge on each selected page shows the turn about to be applied.
- Press Rotate pages and download the result.
- If you overshoot, run the downloaded file through again with the opposite turn, rotations accumulate, so two rights make a 180.
Why Rotating in a Viewer Does Not Stick
A PDF page carries a rotation value that readers apply when displaying it. Most viewers offer a rotate button that changes the view only, and some quietly auto-rotate based on the page dimensions without touching the file at all. Both look like a fix while the document is open in front of you, and neither changes what anyone else receives.
Saving the rotation here changes the page property itself, so the correction becomes part of the document. Nothing is re-rendered in the process: rotation is metadata about how the page should be presented, not a redraw, so the text, images and vectors are byte-identical afterwards and the file size barely moves.
Which Turn to Choose
If you are unsure which way to rotate, match what you see on screen to the first column.
| What you see | Choose | Result |
|---|---|---|
| Top of the text points right | Left 90° | Upright |
| Top of the text points left | Right 90° | Upright |
| Text is upside down | Upside down | Upright |
| Already upright | Deselect the page | Unchanged |
| Rotated too far after saving | Opposite turn | Corrected |
Rotation is applied on top of whatever the page already had, so turning right twice gives 180 degrees. The value always settles between 0 and 359, so it can never drift out of range no matter how many passes you make.
Mixed Orientations and Scanned Documents
The most common partial case is a portrait report containing a few landscape tables that came out sideways. Leave the tables selected, deselect the portrait pages, and one pass fixes the document. Because the badge shows the pending turn on each selected page, you can check the selection before committing rather than after.
Scanned documents are also where rotation interacts with everything else. A page with a rotation set is still that rotation when you add page numbers or a watermark, which is why those tools calculate their placement in the space you actually see. If you plan to do both, rotating first makes the result easier to predict.
A Local Fix for Documents You Cannot Upload
Sideways pages are overwhelmingly scans, and scans are overwhelmingly of things worth keeping to yourself: identity documents, signed agreements, bank letters, medical results photographed at an angle. Fixing the orientation is a trivial operation, and it should not require sending any of that to a server.
This tool loads the file into your browser, changes one property on the pages you selected, and writes the document back out on the spot. There is no upload, no temporary copy on someone else’s disk, and no account. It also works offline, which is the easiest way to satisfy yourself that the file is not going anywhere.