Convert NIfTI to PNG Online
快速安全地轉換檔案，且無任何品質損失。 點擊此處開始。
將檔案拖放到此處
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
處理是否符合 HIPAA 法規？
是的，在將醫學影像從 NIFTI 轉換為 PNG 時，我們應用了強大的 SSL 加密和自動檔案刪除來保護個人資料。
將 NIFTI 轉換為 PNG 安全嗎？
是的，您的所有檔案都受到強大的 256 位元 SSL 加密保護。轉換後，我們會自動從伺服器中刪除您的檔案。
這個工具可以在手機上使用嗎？
當然。我們的雲端轉換器在 iOS、Android 裝置和平板電腦上運作流暢，無需下載任何應用程式。
會保留原始檔案大小嗎？
為了在不顯著損失品質的情況下節省儲存空間，我們在轉換為 PNG 時使用最佳的壓縮技術。
有隱藏費用或浮水印嗎？
沒有。我們的平台 100% 免費使用，我們不會在您的文件或影像中插入任何浮水印或廣告。