Convert NIfTI to PNG Online
100% 免费，几秒钟内即可立即获得结果。 立即免费下载！
将文件拖放到此处
DICOM (.dcm), NIfTI (.nii, .nii.gz), NRRD (.nrrd), MHA (.mha)
Max file size: 200 MB • Processed locally
Why Convert NIfTI to PNG?
Scientific publications in neuroscience demand pixel-perfect image quality. Most peer-reviewed journals (NeuroImage, Human Brain Mapping, Cerebral Cortex, Brain) require figures in lossless formats to ensure that structural details, activation maps, and anatomical boundaries are reproduced faithfully in print and digital editions. PNG is the universally accepted lossless format that meets these requirements while being compatible with all manuscript preparation workflows.
When creating figures for fMRI activation maps, cortical thickness analyses, or white matter tractography results, even subtle compression artifacts from lossy formats like JPG can obscure meaningful neuroanatomical details or create misleading visual patterns. PNG eliminates this risk entirely, ensuring that what reviewers and readers see is an exact representation of your NIfTI data.
Our converter extracts slices from NIfTI 3D volumes with proper anatomical orientation and exports them as high-fidelity PNG images. The output is ready for direct inclusion in LaTeX manuscripts, PowerPoint presentations, and figure preparation workflows using tools like Adobe Illustrator, Inkscape, or BioRender.
How to Convert NIfTI to PNG
- Upload your NIfTI file (.nii or .nii.gz) from any neuroimaging pipeline.
- The converter extracts slices with lossless precision and correct orientation.
- Download PNG images ready for publication, presentation, or documentation.
Key Features
- Lossless NIfTI to PNG conversion for publication-quality figures
- Correct anatomical orientation via sform/qform header reading
- Compatible with LaTeX, PowerPoint, and figure preparation tools
- Support for NIfTI-1, NIfTI-2, and compressed .nii.gz files
- Meets requirements of major neuroscience journals
- Free online conversion — no software installation needed
- Secure processing with encrypted uploads and auto-deletion
Frequently Asked Questions
处理是否符合 HIPAA 法规？
是的，在将医学图像从 NIFTI 转换为 PNG 时，我们应用了强大的 SSL 加密和自动文件删除来保护个人数据。
将 NIFTI 转换为 PNG 安全吗？
是的，您的所有文件都受到强大的 256 位 SSL 加密保护。转换后，我们会自动从服务器中删除您的文件。
这个工具可以在手机上使用吗？
当然。我们的云转换器在 iOS、Android 设备和平板电脑上运行流畅，无需下载任何应用程序。
会保留原始文件大小吗？
为了在不显著损失质量的情况下节省存储空间，我们在转换为 PNG 时使用最佳压缩技术。
有隐藏费用或水印吗？
没有。我们的平台 100% 免费使用，我们不会在您的文档或图像中插入任何水印或广告。