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Opening the Export Dialog

Click the Export button (green) in the toolbar to open the export modal. Export modal

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Format Options

FormatTypeNotes
MP4VideoRequires WebCodecs API (Chrome 94+)
WebPAnimated imageWidely supported
PNGStatic imagesLossless, one image per slice
JPGStatic imagesCompressed, one image per slice

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Direction

Choose the slicing direction:
  • Sagittal — Left-right slices
  • Coronal — Front-back slices
  • Axial — Top-bottom slices
  • All — Export all three directions

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Frame Delay

For animated formats (MP4, WebP), set the delay between frames (50–1000 ms).
Frame Delay is disabled for static formats (PNG, JPG).

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Preview

The modal shows a preview before exporting — both static thumbnails and animated previews (for video/WebP).

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Download

Click Download to save the export. Multi-file exports (PNG, JPG, All directions) are packaged as a ZIP file.
Export is only available when the viewer is active with a loaded volume. The button is disabled during loading or empty states.