PDF UtilitiesPDF SplitterFree Tool

Split PDF Vertically

Split each page of a PDF down the centre into left and right halves. A 10-page PDF becomes a 20-page PDF with each original page appearing as two narrower pages — ideal for converting A3 spreads into A4 pages.

How to Use Split PDF Vertically
  1. 1Upload the PDF with wide pages you want to split vertically
  2. 2Optionally adjust the vertical split position (default is 50% / centre)
  3. 3Choose whether left half or right half comes first in the output
  4. 4Click 'Split Vertically' to process
  5. 5Download the resulting PDF with double the page count
Examples
  • Split an A3 landscape PDF into two A4 pages for standard printing
  • Divide side-by-side comparison pages into individual left and right views
  • Separate left and right pages of a scanned open book into individual pages
  • Split a two-column newspaper layout PDF into separate column PDFs for reading
Frequently Asked Questions

Each page is divided down the vertical centre, producing a left half and a right half. A 5-page PDF becomes a 10-page PDF where each pair represents one original page.

Converting booklet-style PDFs or A3 spread scans into A4-size pages. Two-column layouts scanned as single pages can also be split this way for easier reading.

By default yes. Some tools allow a custom split position (e.g. 40%/60%) for asymmetric layouts.

Text that spans the centre line may be cut mid-character. For best results, ensure your content has a clear gap or margin at the centre before splitting.

Yes. If the original page is 210mm wide, each half is approximately 105mm wide at the same height.

Yes. Everything runs in your browser. Your PDF is never sent to a server.

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