NIfTI Viewer
Inspect axial, coronal and sagittal slices from .nii and .nii.gz volumes locally.
What this medical-image tool provides
Open NIfTI .nii and .nii.gz volumes online with axial, coronal and sagittal controls in a supported local-processing workflow.
- NIfTI Viewer combines the listed input, controls, preview context, result guidance and medical-use limits in one review sequence.
- Use the before-and-after examples only for orientation, then review the actual selected file independently.
- Accepted input: NIfTI (.nii, .nii.gz).
- Available controls: Plane, Slice, Invert grayscale.
- Review the output and download it directly to your device.
How to use NIfTI Viewer
- Choose a file — Choose NIfTI (.nii, .nii.gz) from your device.
- Adjust settings — Review the available controls: Plane, Slice, Invert grayscale.
- Create the result — Process the selected file on this device, review the preview and download the result.
Preview and review context
Open one synthetic volume and switch independently between axial, coronal and sagittal slices.
- Before example: Axial slice from a synthetic NIfTI volume
- After example: Axial, coronal and sagittal views available from the same synthetic volume
Accepted input
NIfTI (.nii, .nii.gz)
Available settings
- Plane — select; Options: Axial, Coronal, Sagittal; Default: axial
- Slice — number; Default: 1; Range: 1 to 9999; Step: 1
- Invert grayscale — toggle; Default: Off
Result and download review
Local result ready: Review the output and download it directly to your device.
Privacy
Supported medical-image contents are processed locally and are not uploaded for processing; site analytics and the assistant are separate. Educational image-processing tool only. Not a medical device and not for diagnosis.
Frequently asked questions
Is NIfTI Viewer a diagnostic medical device?
No. Educational image-processing tool only. Not a medical device and not for diagnosis.
Are medical images uploaded?
Supported medical-image contents are processed locally and are not uploaded for processing; site analytics and the assistant are separate. The supported file contents stay on this device while the tool runs.
Which inputs does NIfTI Viewer support?
Single-file NIfTI-1 .nii and gzip-compressed .nii.gz scalar volumes.
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