Drop files here, or click to browse
Max 100 MB · Single file
How to use
Upload the scan
Drop a PDF of up to 100 MB on the upload area. Thumbnails of every page appear with a dashed line where the cut will go.
Set the cut
Choose Automatic, Left | right or Top / bottom, drag the cut position slider if the fold is off centre, and tick the cover or right-to-left options if they apply.
Split and download
Check the page count in the header, which shows how many pages the new file will have, then click Split pages & download to save yourfile-split-halves.pdf.
Why Split PDF Pages in Half
- Turn two-page scans and A3 spreads into single pages.
- Cut down the middle or across, at any position you choose.
- Keep covers whole, pick pages, and flip the order for right-to-left books.
- Runs in your browser with no upload and no quality loss.
Which cut direction to choose
Automatic looks at each page's shape as it is displayed. Wider than tall means a spread, so it cuts down the middle. Taller than wide means two pages stacked, so it cuts across. That handles most scans, including files that mix spreads with single pages of different shapes.
Choose a direction yourself when the shape misleads, for example a square scan or a landscape page that really holds one wide table you do not want cut. Pages you do not want cut at all can be left out with the page list or the cover options.
| Source page | Direction | Result |
|---|---|---|
| Open book scanned flat, landscape | Automatic or Left | right | Left page, then right page |
| A3 landscape with two A4 pages | Automatic or Left | right | Two A4 portrait pages |
| A4 portrait with two A5 pages stacked | Automatic or Top / bottom | Two A5 landscape pages |
| Manga spread | Left | right with Right half first | Right page, then left page |
What happens inside the file
Each page you split is copied twice, and each copy gets a crop box covering one half. Viewers and printers show only the crop box, so each copy looks like a single page. Nothing is cut away, which keeps text selectable and images at full resolution.
Because both copies keep the whole page, the file size roughly doubles for the split pages. Do not rely on the hidden half to keep content private, since a PDF editor can reset the crop box. To tidy leftover borders after splitting, run the file through Crop PDF.