The Sideways Scan, Solved
Somewhere between the scanner glass and the email attachment, pages get turned. A signed contract arrives with three pages upside down. A lecture handout opens rotated 90°, unreadable on a phone. Rotating in a desktop PDF editor means installing software — or uploading a private document to a random website. Our Rotate PDF tool fixes orientation in your browser with a visual page grid: click any page to turn it 90° clockwise, right-click for counter-clockwise, or rotate everything at once and download in seconds.
How Rotation Is Actually Stored
A PDF page carries a rotation attribute — a number from 0 to 270 in 90° steps — and viewers render the page turned by that amount. Our tool adds your chosen rotation on top of whatever the page already has (rather than overwriting it), which matters for scans that already carry odd rotation values: you get exactly the adjustment you asked for, never a surprise. The tool is powered by pdf-lib running entirely in your browser, so the document never leaves your device — safe for contracts, IDs, and medical records.
Typical Recipes
- Phone-scanned documents: fix individual upside-down pages with single clicks, leave the rest untouched.
- Widescreen decks: rotate all pages 90° to read landscape slide exports on a portrait e-reader.
- Certificates and diagrams: turn one landscape page inside a portrait report.
- Before printing: correct orientation after merging with our Merge PDF tool.
Fast and Private
Only the rotation attributes change — page content streams are untouched — so saving is instant even for large documents. There is no upload, no queue, no watermark, and no page limit. The visual grid shows every page with its current rotation, so what you set is exactly what you get.