Free Rotate PDF
Open a PDF, pick a rotation (90° clockwise, 90° counter-clockwise, or 180°), choose all pages or specific ones, and download the rotated PDF. It all runs in your browser, so your file is never uploaded.
Drop a PDF here, or browse
One PDF · processed in your browser, never uploaded
Runs entirely in your browser — your file is never uploaded to a server.
Quick answer
To rotate a PDF, open it here, choose the rotation amount (90° clockwise, 90° counter-clockwise, or 180°), and either leave the page selection as the whole document or list specific pages like 1-3, 5. The tool adds your rotation on top of each page's current orientation and downloads the result. It runs entirely in your browser with pdf-lib — nothing is uploaded and there is no watermark.
Formula & method
New page rotation
newAngle = (currentAngle + chosenRotation) mod 360
- currentAngle — the page's existing rotation (0, 90, 180, or 270)
- chosenRotation — 90 (clockwise), 270 (counter-clockwise), or 180
Rotation is additive, so applying 90° twice gives 180°.
Your PDF is read locally. Rotation in a PDF is stored as a page property (a multiple of 90 degrees), so the tool reads each selected page's current rotation and adds your chosen amount, wrapping around 360 degrees (for example, a page already at 90° rotated by another 90° becomes 180°). Pages you don't select keep their orientation. The content itself is not re-drawn — only the page's rotation flag changes — so there is no quality loss. The updated PDF is then saved and downloaded, all on your device.
Examples
- Input
- A landscape-scanned page at 0°, rotate 90° clockwise
- Result
- The page now displays rotated 90° clockwise
- Why
- 0 + 90 = 90°, so the page is turned a quarter-turn clockwise to read upright.
- Input
- A 6-page PDF, rotate 180°, pages 1-6
- Result
- All 6 pages flipped upside down
- Why
- Each page's rotation increases by 180°, flipping the entire document.
- Input
- A 10-page PDF, rotate 90° counter-clockwise, pages: 4
- Result
- Only page 4 is rotated; pages 1-3 and 5-10 are unchanged
- Why
- 270° is added to page 4 only (a quarter-turn counter-clockwise); the rest keep their orientation.
When to use this tool
- Fixing pages that were scanned or photographed sideways or upside down.
- Rotating a single landscape page inside an otherwise portrait document.
- Reorienting a PDF before printing or sending it.
Common mistakes
- Expecting the rotation to be absolute. Rotation is added to each page's current angle, so a page already rotated will move further, not reset to a fixed orientation.
- Rotating the whole file when only one page is sideways. List just that page (for example, 3) instead of leaving the default range.
- Confusing 90° clockwise with counter-clockwise. Use 90° clockwise (↻) to turn the top edge to the right, and counter-clockwise (↺) to turn it to the left.
Frequently asked questions
Is my file uploaded to a server?
No. The rotation runs entirely in your browser with pdf-lib — your PDF is read locally, the rotation flags are changed, and the new file is downloaded. Nothing is sent to a server.
Does rotating reduce quality?
No. Rotation only changes a page property; the page content is not re-rendered, so text and images keep their original quality.
Can I rotate just some pages?
Yes. Enter the pages or ranges to rotate (like 1-3, 5). Leave the default 1-to-last to rotate the whole document.
What rotation amounts are available?
90° clockwise, 90° counter-clockwise (which is 270°), and 180°. Apply the tool twice if you need a different combination.
Why won't my PDF open?
It may be password-protected/encrypted or corrupted. Unlock or repair it elsewhere first, then load it again.
Is there a watermark?
No. The output is a clean PDF with no watermark and no added content.
Sources & references
External references open in a new tab. We are independent and not affiliated with these organizations.
- ✓ Free to use
- ✓ No sign-up required
- ✓ Runs entirely in your browser — nothing is uploaded.
- ✓ Formula and method shown above
Provided “as is” for general information only — results may be inaccurate, so verify before you rely on them. No warranty; use at your own risk.
Built and reviewed by HIFreeTools against the formula shown above and any authoritative references cited on this page. See our methodology and editorial standards.
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