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PDF Multi Tool

docs/tools/pdf-multi-tool.md

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PDF Multi Tool

A unified workspace for every page-level PDF operation. Upload one or more PDFs and work with all their pages in a single visual grid. Rotate, reorder, duplicate, delete, insert new PDFs, add blank pages, and split the result -- all without leaving the tool.

How It Works

  1. Click Upload PDFs or drag files onto the upload area. Multiple files are supported.
  2. All pages from every uploaded file appear in a scrollable grid with thumbnails.
  3. Use the toolbar or per-page action buttons to manipulate pages.
  4. Select pages using the checkbox on each card, then apply bulk operations.
  5. Mark split points with the scissors icon to divide the output into separate files.
  6. Click Export PDF to download the final result. If split markers are present, the output is a ZIP of multiple PDFs.

Features

  • Merge: Upload multiple PDFs and they combine into one workspace automatically
  • Reorder: Drag and drop page cards to rearrange the sequence
  • Rotate: Per-page or bulk rotation in 90-degree increments (left or right)
  • Duplicate: Clone any page with one click
  • Delete: Remove individual pages or bulk-delete selected ones
  • Insert PDF: Add a new PDF after any specific page
  • Add Blank Page: Append a blank A4 page at the end
  • Split: Place split markers between pages, then export as a ZIP of separate PDFs
  • Select All / Deselect All: Quick selection for bulk operations
  • Undo / Redo: Full undo/redo history for every operation
  • Download selected: Export only the selected pages as a standalone PDF
  • Auto-repairs corrupted PDFs before loading

Use Cases

  • Building a custom document from pages across multiple source PDFs
  • Cleaning up a scanned document by deleting blank pages, rotating sideways scans, and reordering sections
  • Splitting a large PDF at chapter boundaries using visual split markers
  • Quick page-level editing without needing a full PDF editor

Tips

  • The undo/redo system tracks every operation. Use it freely -- you cannot accidentally destroy your work.
  • Split markers appear as dashed blue lines between pages. Place them visually where you want the document divided, then export to get a ZIP.
  • For simple merge or split tasks, the dedicated Merge PDF or Split PDF tools may be faster. The Multi Tool shines when you need multiple operations in one session.