A scanned blueprint has extra borders and is rotated [rotation=2 degrees]; crop to the drawing edges, rotate upright, …
Open your scanned PDF document in Adobe Acrobat.
Select Scan & OCR from the right-hand pane.
Click Recognize Text and choose In This File.
In the Recognize Text options, ensure Detect Orientation is checked.
NoteThe 'Detect Orientation' option enables Acrobat to automatically rotate pages to the correct upright position during OCR.
Click Recognize Text to start the process.
Wait for the process to complete; review the document to confirm all pages are now correctly oriented.
Best practiceIf some pages remain misoriented, manually rotate them using the Organize Pages tool for best results.
You can use the 'Detect Orientation' option in the OCR process to automatically straighten and rotate scanned pages to the correct reading direction.
This runs in the Acrobat app - there is no separate API for this task.
| Feature | Effect | Permanence |
|---|---|---|
| Rotate View | Changes how you see the page on your screen. | Temporary; not saved with the file. |
| Rotate Pages | Changes the actual orientation of the page in the document. | Permanent; saved with the file after saving. |
Scanners sometimes capture documents in the wrong orientation. This can happen if the paper was not placed correctly on the scanner bed. You will need to rotate these pages in Acrobat to fix them.
Yes, you can choose only the pages that need rotating. In the 'Organize pages' tool, you click on the small pictures (thumbnails) of the specific pages. Then, you rotate only those selected pages. The other pages will stay as they are.
Yes, you can automate rotating pages. Adobe offers an API (Application Programming Interface) for this. This means a computer program can send a command to rotate pages in many PDF files automatically without you having to open each one manually. This is useful for large tasks.