NiftiView is a medical 3D image viewer made for amateurs 👨, clinicians 👩‍⚕️, scientists 👨‍🔬 and coders 👩‍💻

Highlight features for each user group are

• 👨 Drag&Drop to easily view multiple 3D images in a beautiful layout and save as a GIF
• 👩‍⚕️ Shortcuts to quickly set up optimal contrasts by intensity windowing and histogram equalization
• 👨‍🔬 Custom image layers and overlays (crosshair, colorbar...) to create publication-ready figures
• 👩‍💻 Usable via Python and Command Line Interface (take a look at the underlying Python package)

Besides these highlights, NiftiView also covers the basics

• 💾 Supports NIfTI .nii/.nii.gz, NumPy .npy, DICOM and some older 3D image formats
• 🖼️ High image quality via Lanczos interpolation
• 📥 Easy installation for Windows and Linux: Download, unzip, double-click 🏁

Learn how to use NiftiView via the YouTube-Tutorial 💡

Installation 🛠️

Windows 🪟 or Linux 🐧

Download the app here, unzip the downloaded file and double-click either

• NiftiView.exe (+ ignore potential virus alert, if you are using Windows)
• NiftiView.bin (+ previously run chmod +x NiftiView.bin in a terminal, if you are using Linux)

to run NiftiView 🧠 If you like it, check out this short manual to finalize the installation 🛠️

The Python way 🐍

Users of macOS 🍏 and/or Pythonistas just install it in the terminal via

pip install niftiview-app

and run it via

niftiview-app

Some extra steps to make NiftiView feel like a macOS app are provided here 🛠️

Bugfixes 🐛

• If the app does not start, missing packages can be the issue. To fix that:
  • On Linux: Run sudo apt install libcairo2-dev pkg-config python3-dev
  • On macOS: Run brew install cairo pkg-config tcl-tk python-tk
• If the app looks grainy in a conda env, run conda install -c conda-forge tk=*=xft_* to fix it