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OmniConvert

Rotate PDF

Turn sideways or upside-down pages the right way up and save the result. Rotate every page at once or one at a time, entirely in your browser.

Runs on your deviceFree, unlimited

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Accepts .pdf · One file at a time · up to 150 MB each "Upload" and "download" here mean your browser reading a file from this device and writing one back to it. Nothing is sent to a server — open your browser's network panel and watch: no request carries your file.

FAQ

How is this different from rotating the view in a reader?

A reader turns the page on screen and forgets. This writes the rotation into the file, so the page comes out the right way up everywhere — in the next reader, in an email attachment, on the printer. That is the whole reason to bother: a scan that arrived sideways stays sideways for everyone you send it to until someone saves the turn.

Does rotating lose the bookmarks or break the form?

No, and rotation is one of the tools here that keeps everything. It edits the document you gave it and saves that same document back out, so the outline, the internal link destinations and any fillable form all survive intact — we checked all three. The tools that build a new document from copied pages, like merging and splitting, carry the bookmarks across but cannot promise the link destinations.

Can I turn just one page?

Yes — every thumbnail has its own pair of arrows, and the buttons above turn everything at once. There is a third button that appears only when a document actually mixes the two: it turns just the pages that came out wider than they are tall, which on a report with a few landscape tables scanned sideways is the entire correction in one click. Mixed documents are the common case, and turning the whole file would be the wrong fix for them.

Why only 90-degree steps?

Because that is what the format stores. A PDF page carries a rotation attribute that accepts multiples of 90, which is why turning a page costs nothing and loses nothing. Straightening a page that is off by three degrees is a different operation — it means re-drawing the content, and the result is a re-encoded image rather than the original page.

Does the turn add to a rotation the file already had?

Yes. Scanners often mark a page as already turned, and rotating such a page by another quarter turn lands it at a half turn — which is what you would expect from watching the thumbnail, since the thumbnail shows the page as it stands now, not as it was stored. What you see before you save is what the file will contain.

Is the file re-saved from scratch?

The page content is untouched; only the rotation attribute changes. The saved file can differ slightly in size from the original — on a 3 MB manual we measured about 23 KB more — because the whole document is written back out with a fresh cross-reference table. Nothing is re-compressed and no image is re-encoded.

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