Reorder pages using the Organize Pages view in Blazor PDF Viewer

17 Jul 20261 minute to read

Overview

This guide describes how to rearrange pages in a PDF using the Organize Pages UI.

Outcome: Single or multiple pages can be reordered and the new sequence is preserved when the document is saved or exported.

Prerequisites

  • Blazor PDF Viewer component installed
  • EnablePageOrganizer property enabled in the viewer

Steps

  1. Open the Organize Pages view

    • Click the Organize Pages button in the viewer toolbar to open the page thumbnails panel.

  2. Reorder a single page

    • Drag a thumbnail to the desired position. The thumbnails update instantly to show the new order.

  3. Reorder multiple pages

    • Select multiple thumbnails using Ctrl or Shift, then drag the selected group to the new location.

    Rearrange pages animation showing drag-and-drop behavior

  4. Verify and undo

    • Use the Undo / Redo options in the Organize Pages toolbar to revert accidental changes.

    Undo and redo Organize Pages toolbar

  5. Persist the updated order

    • Click Save or download the document using Save As to persist the new page sequence.

Enable or disable reorder option

To enable or disable the Reorder pages option in the Organize Pages, update the PageOrganizerSettings.CanRearrange. See Organize pages toolbar customization for details

Troubleshooting

  • Thumbnails won’t move: Confirm PageOrganizerSettings.CanRearrange is not set to false.
  • Changes not saved: Verify that the server-side PDF processing is configured correctly.
  • Page organizer not visible: Ensure EnablePageOrganizer is set to true.

View sample in GitHub

See also