Split PDF in Half – Divide Scanned Pages Free

Split two-page scans or A3 sheets into separate pages down the middle. A3 to A4, A4 to A5. Free online, no watermark.

or drop a PDF here

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Private and short-lived: every upload is erased automatically 72 hours after you last open it.

Step by step

Split a PDF in Half: step by step

Split two-page scans or A3 sheets into separate pages down the middle. A3 to A4, A4 to A5. Free online, no watermark.

  1. 1

    Upload your PDF

    Drop in a spread scan — A3 to double A4, A4 to double A5, a booklet. The preview shows the sheet with a tinted half and a split line across it. Files are deleted after 2 hours.

  2. 2

    Aim the cut

    The direction follows the page's own shape automatically: a landscape sheet cuts down the middle, a portrait one across. Press Split vertically or Split horizontally to change it — the line resets to the centre — then drag the line to move the cut anywhere: keep it at 1 for a true half, or push it aside to make part one bigger.

    A landscape spread in the Split in half preview: the left page 1 is tinted, the blue split line runs down the middle, page 2 sits on the right The Split vertically and Split horizontally buttons with Split vertically selected, above the hint “Drag middle split line to customize where the split should occur.”
  3. 3

    Split and download

    Press Split — each sheet becomes two pages in one new PDF. Going under More options: covers and other full pages stay whole when auto-detect finds them (or name them yourself: 1-4,8-10,13,15-), booklet scans can be put back in reading order, and right-to-left documents read the other way.

    More options open: Automatically detect pages to exclude ticked, Re-paginate from booklet scan, Right to left document and Discard bookmarks, above the Split and More options buttons
  • One sheet in, two pages out

    Every spread splits down its middle — part one (the top or left half) lands first.

  • Vertical or horizontal

    Cut left/right or top/bottom — or let Auto follow the page's own shape.

  • Drag the line

    1 is the true middle; drag the line and part one can end up twice the size of part two.

  • Keep pages whole

    Auto-detect leaves covers and odd-shaped pages uncut — or type ranges like 1-4,8-10,13,15-.

  • Booklet scans

    Re-pagination restores reading order: 12,1,2,11… comes back 1,2,3,4…

  • Private by default

    No account, no watermark — and every file is automatically deleted after 2 hours.

More tool information

What the other tools do

Merge PDF

Combines PDFs and images into one document. Pages are copied, not re-rendered, so text stays selectable, images keep their original resolution and bookmarks come across with their pages.

Resize

Changes the paper: scale every page to a new size (A4, Letter, Legal and the rest), add margins around existing content, or shrink the file.

Organize PDF

Rebuilds the document's page order: reorder, rotate, duplicate, delete or insert pages. Thumbnails make the change visible before it is applied, so the result is not a guess.

Rotate

Turns pages by 90, 180 or 270 degrees and saves the orientation into the file, so every viewer and printer agrees.

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