Rotate PDF

Rotate PDF Pages So They Stay Rotated

Turning a page in your PDF reader only changes what you see until you close the file. This tool changes the file itself, so the next person to open it sees it the right way up.

Rotation adds to what's already there

Each page in a PDF carries its own rotation value. When you apply 90° here, it's added to whatever the page already had. That catches a lot of people out.

What that means in practice:

• A page already stored at 90° that you rotate by 90° ends up at 180°, not 90°.
• Applying 90° four times puts a page back where it started.
• Applying 90° to a mixed document turns every selected page a quarter turn, so their relative differences stay the same. It won't line them all up.

You'll run into this with scanned bundles where some pages went through the feeder sideways. There's no "make everything portrait" button. Select only the wrong pages and rotate them, in as many passes as you need.

The three amounts

90°, 180° and 270°, all clockwise. There's no counter-clockwise control because it would just be another name for the same thing: counter-clockwise 90° is this tool's 270°.

PDF rotation values are only ever multiples of 90, and the format has no way to store any other angle. So a page scanned three degrees crooked can't be straightened here. Deskewing needs a tool that re-renders the page content, and you lose the text layer when it does.

Choosing which pages

Apply to all pages, or type a selection: 1-4, 2,7,11, odd, even, last. Page numbers follow your reader's page counter.

Here's an example. You have a 20-page report scanned in portrait, but the two spreadsheet appendices on pages 15 and 16 came out on their side, reading bottom-to-top. Select 15,16, apply 90°, and check. If they now read top-to-bottom instead, you needed 270°. Undo it by applying 180° to the same pages, or start again from your original.

Nothing is re-encoded

The tool doesn't touch the page content at all. It only changes the rotation entry in each page's dictionary and saves the file, so nothing gets re-rendered or re-compressed.

That means there's no quality cost, however many times you rotate. Scanned images stay byte-identical, text stays selectable, links keep working, and the file size barely changes. It's the cheapest operation in this whole set of tools, so feel free to experiment.

When rotation is not the fix

Some pages are a different size, not a different rotation. A landscape A4 page and a rotated portrait A4 page look much the same in a reader, but they aren't the same thing. If a page really is landscape, rotating it will make it wrong.

The content is upside down but the page is fine. If a scanner fed a stack in backwards, 180° on the affected pages is exactly right.

The pages are in the wrong order as well. Rotation doesn't reorder anything. Do the reordering in Organize PDF first, then rotate, so the page numbers you're working with don't shift.

Only some pages are worth keeping. Trim first with Delete Pages. There's no point rotating pages you're about to throw away.

Encrypted files are rejected at upload, so decrypt with Unlock PDF first. Everything runs in your browser, with a 100 MB limit per file.