Mixed scanner output
Correct a batch where the scanner captured portrait pages, landscape tables, and the reverse side of a form in different directions.
Rotate PDF pages online
Turn sideways or upside-down pages the right way up, one page at a time or the whole document at once.
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Practical guide
Rotate PDF pages and save the correction in the file
Scanners and phone cameras often save a page the wrong way up. This tool draws a preview of every page in the document, so you can rotate PDF pages one at a time or turn the whole file together, then download the corrected copy. The new angle is written into the pages themselves rather than into a viewer setting, so the document opens the right way up for whoever reads it next.
- 90°
- The step each click applies. A page's rotation entry has to satisfy (Rotate mod 90) == 0, so 0, 90, 180, and 270 degrees are the only orientations the PDF format allows.PDF Association Arlington PDF model, PageObject.tsv (ISO 32000 page object)
- Since PDF 1.0
- Rotation has been an entry on the individual page object, defaulting to 0 and inheritable from the page tree, since the first version of the format. It is a per-page property, not a document-wide one.Arlington PDF model, PageObject.tsv (SinceVersion and DefaultValue columns)
- 4 clicks
- Clicking one page four times returns it to the orientation it started in, and the download button greys out again once no page is rotated.Measured in this site's source, app/rotate-pdf/RotateTool.tsx: each click adds 90 degrees and wraps at 360
How to rotate PDF pages in 3 steps
- 1
Load the PDF
Choose one document and wait for its page previews to appear. The previews make mixed portrait and landscape scans easy to spot.
- 2
Turn the pages
Click an individual page to rotate it 90 degrees clockwise, and click again for 180 or 270. Press Rotate all 90° when every page shares the same problem.
- 3
Save the correction
Press Download rotated PDF. The copy arrives as your file name with -rotated added, and your original file stays as it was.
Worked examples
| If you need to | Do this | You get |
|---|---|---|
| Fix one landscape page in a portrait report | Click that page's preview once | Only that page turns. Its caption gains a 90° marker beside the page number, and every other page stays unmarked. |
| Turn a whole document that scanned sideways | Press Rotate all 90° once | Every preview turns a quarter turn clockwise and shows a 90° label. |
| Flip an upside-down page | Click the same preview twice | The page is rotated 180 degrees and its caption shows 180°. |
| Turn a page counterclockwise | Click it three times for 270 degrees | The same orientation as one quarter turn to the left, shown as 270°. |
| Undo a rotation you did not mean to apply | Keep clicking that page until the degree label disappears | The page is back at 0. With nothing rotated, the download button greys out. |
When to rotate PDF pages
Phone document scans
Fix pages you created while the phone locked its orientation or changed direction between shots.
Presentation handouts
Turn wide charts or slides so recipients can read them without rotating their screen for each page.
Archive cleanup
Save a corrected copy of an older document instead of relying on a viewer-specific rotation setting.
Tips to rotate PDF pages well
- Judge each page by its text direction rather than its shape; a wide page can already be the right way up.
- Press Rotate all 90° first when most pages share the same problem, then click the few exceptions.
- Watch the degree label under each preview. It shows what the tool will add to that page, so you can check the whole document before downloading.
- Open the downloaded file in your PDF viewer and page through the thumbnails from first to last, including blank reverse sides.
- Keep the original until you have confirmed the corrected file opens as expected in the software used by the final recipient.
Good to know
- Rotation changes page orientation in 90 degree steps. It cannot deskew a scan that sits at a slight angle, and it cannot crop or straighten content within a page.
- The tool cannot recognize the correct reading direction on its own; use the previews to judge each page.
- The tool works on one PDF at a time, and any rotation you apply is added to the rotation already stored in the page.
- Unlock a password-protected PDF before rotating it. An encrypted document cannot be rewritten in the browser, so the tool stops with an error instead of producing a file.
- Rewriting a signed PDF can invalidate its certificate signature. Rotate the document before adding a formal certificate signature.
Questions about how to rotate PDF pages
▸Can I rotate one PDF page?
Yes. Click that page's preview, then download the result. Pages you do not click keep the orientation they already have.
▸How do I rotate a PDF and save it permanently?
Set the pages the way you want them, then download the new file. The rotation is stored in each page of the downloaded PDF, so it survives being emailed, printed, or opened in a different reader. A view rotation applied inside a PDF reader usually lasts only as long as that window is open.
▸How do I rotate all pages in a PDF at once?
Use the Rotate all 90° button above the previews. Each press turns every page a further quarter turn clockwise, so press it twice for 180 degrees. You can still click individual pages afterwards to correct the ones that need a different angle.
▸Can I rotate a page 180 degrees?
Yes. Each click adds 90 degrees clockwise, so click the same preview twice for 180 degrees or three times for 270 degrees.
▸Can I rotate a PDF page counterclockwise?
Yes, by going the other way round. Three clicks land on the same orientation as one quarter turn anticlockwise, which is 270 degrees. A PDF page stores a single rotation value rather than a history, so the direction you clicked leaves no trace in the file.
▸Why does my PDF still look sideways after I rotate it?
Check that you opened the downloaded file rather than the original, since the tool never changes the file you loaded. If the page still looks wrong, note that the tool adds your rotation to whatever rotation the page already carried, so a page that arrived at 90 degrees and is turned 90 more ends up at 180.
▸Does rotating alter the text or image quality?
No. The page content is left untouched and is not rendered or compressed again. Only each page's rotation value changes, and the result is saved as a new PDF.