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Split PDF

docs/tools/split-pdf.md

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Split PDF

Break a PDF into smaller documents using one of six splitting modes. From simple page ranges to bookmark-based splitting, this tool handles every scenario for dividing a document.

How It Works

  1. Upload a single PDF file.
  2. Choose a split mode from the dropdown.
  3. Configure the mode-specific options (page ranges, selections, etc.).
  4. Click the process button.
  5. The result downloads as a single PDF or a ZIP archive depending on the mode and settings.

Split Modes

ModeDescription
RangeEnter page ranges like 1-3, 5, 8-10. Multiple ranges produce separate PDFs in a ZIP. A single range produces one PDF.
Visual SelectBrowse page thumbnails and click to select the pages you want. Selected pages are extracted into a new PDF.
Even / OddExtract only even-numbered or odd-numbered pages.
All PagesSplit every page into its own individual PDF file, downloaded as a ZIP.
BookmarksSplit at bookmark boundaries. Choose the bookmark level to control where splits occur.
Every N PagesSplit into chunks of N pages each (e.g., every 5 pages). The last chunk may have fewer pages.

Features

  • Six distinct splitting modes covering virtually every use case
  • Visual page selector with lazy-loaded thumbnails
  • Bookmark-aware splitting with level filtering
  • ZIP output option for range and visual modes
  • Handles page ranges with mixed syntax (1-3, 5, 8-10)
  • Warning when N-page splits result in uneven chunks

Use Cases

  • Extracting a specific chapter or section from a large document
  • Separating odd and even pages for double-sided printing workflows
  • Breaking a book PDF into individual chapter files at bookmark boundaries
  • Isolating specific pages (like a signature page) from a contract
  • Splitting a compiled report into per-section files for distribution

Tips

  • Multiple page ranges separated by commas (e.g., 1-5, 10-15, 20-25) produce separate PDFs, one per range, bundled in a ZIP.
  • The bookmark split mode requires the PDF to actually contain bookmarks. If none are found, you will get an error message.
  • The "Download as ZIP" checkbox in Range and Visual modes lets you get individual PDFs per page instead of a combined file.