A PDF rotator fixes pages that display sideways or upside-down — common with scanned documents, photos, or PDFs created from incorrectly oriented source files. Hover over any page thumbnail to see rotation buttons, or use "Rotate All" to fix the entire document at once.
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How to Rotate PDF Pages
Sideways or upside-down pages are common with scanned documents, phone-captured PDFs, or files exported from presentation software. This PDF rotator lets you fix any page orientation without installing software — everything runs in your browser using pdfjs-dist for rendering and pdf-lib for saving.
Step 1: Upload Your PDF
Click the drop zone or drag a PDF file onto it. The tool loads your document and renders each page as a thumbnail so you can see the actual content and orientation before rotating.
Step 2: Rotate Pages
To rotate all pages at once, click "Rotate All Left (90°)" or "Rotate All Right (90°)" — useful when an entire scanned document is sideways. To rotate individual pages, hover over any thumbnail to reveal the CW (clockwise) and CCW (counter-clockwise) buttons. You can rotate each page independently to any of four orientations: 0°, 90°, 180°, or 270°. Pages with non-zero rotation show a badge indicating their current rotation angle.
Step 3: Download Rotated PDF
Click "Download Rotated PDF". The tool uses pdf-lib to set the rotation property on each modified page and downloads the corrected PDF as rotated.pdf. Pages with 0° rotation are left unchanged. The original file is never modified.
How PDF Rotation Works
PDF pages store a rotation metadata property (0°, 90°, 180°, or 270°). When you rotate a page, the tool updates this property using pdf-lib's setRotation(degrees(n)) method. The actual page content — text, images, graphics — stays at the same coordinates, but the viewer renders the page rotated. This is standard PDF behavior and is compatible with all PDF readers including Adobe Acrobat, Preview, and Chrome's built-in viewer.
FAQ
Are my files uploaded to a server?
No — all rotation happens in your browser using JavaScript. Your PDF files never leave your device. When you close the tab, everything is cleared from memory.
Can I rotate only specific pages, not all of them?
Yes — click individual page thumbnails to select which pages to rotate. Use 'Select All' for the entire document, or manually select just the sideways pages you want to fix.
What rotation options are available?
You can rotate pages 90° clockwise, 90° counter-clockwise, or 180°. The rotation is applied relative to the page's current orientation.
Does rotating change the actual PDF content?
The rotation is stored as a metadata property in the PDF — the page content coordinates aren't changed, just the display rotation flag. This is how standard PDF rotation works and is compatible with all PDF viewers.
Can I rotate a scanned PDF?
Yes — PDF rotation works on all PDFs including scanned documents. If the scanned image itself is sideways (captured at the wrong angle), rotating the page corrects the display orientation.