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📄 A3 to A4 Paper Splitter

Upload A3 scanned papers or PDFs, add vertical & horizontal cut lines, and export as A4 PDF. All processing happens locally in your browser — your files never leave your device.

Vertical cut line Horizontal cut line

📋 How to Use

  1. Upload — Select a PDF or image file (landscape A3 recommended)
  2. Select Page — Click a page to select it
  3. Add Cut Lines — Add vertical (red) and/or horizontal (blue) dividers
  4. Adjust — Drag the lines to the exact split position
  5. Export — Click "Export as A4 PDF" to download

Drag & drop a file here, or click to browse

Supports PDF, PNG, JPEG, GIF, BMP files
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Upload a file to get started

Supports PDF and various image formats