BrainViz
Extension Actions
- Live on Store
Read and visualize EEG signals from .txt and .edf files.
BrainViz is a lightweight Chrome extension that helps researchers, students, and clinicians visualize Electroencephalogram (EEG) data from .txt and .edf files directly in the browser. It lets you instantly view EEG files from PhysioNet and other sources right in your browser, without extra tools or software. Offline EEG files can also be viewed after loading them manually into the extension.
Features:
• Supports .edf and .txt EEG files
• Auto-intercepts EEG downloads from supported sites like PhysioNet
• Upload EEG files manually through the popup panel
• Channel-wise EEG plotting (stacked & compact views)
• Apply signal filters: bandpass, highpass, lowpass, notch (50/60 Hz)
• Signal navigation with a draggable time slider
• View Power Spectral Density (PSD) plots for frequency insights
• Band topographic maps to visualize frequency bands
Perfect for:
• Neuroscience students
• BCI/EEG researchers
• Healthcare & biomedical developers
Latest reviews
- Parth Dalvi
- Solid extension for any dev working with BCI (Brain-Computer Interface) data. It handles file parsing smoothly and the UI is intuitive. I love that it integrates directly into the Developer Tools. It makes debugging EEG data streams or static files much more visual and accessible. 5 stars for a specialized tool done right
- Aaris Khan
- Really useful and easy to use. BrainViz makes it simple to quickly visualize EEG data without needing heavy software. The filters and PSD view are especially helpful for quickly exploring signals. Great tool for students and researchers working with EEG!
- qurratul ain quais
- This extension is incredibly handy for anyone working with EEG data. I love how it instantly loads and visualizes my EEG files without any complicated setup. Highly recommend it for researchers, students, and professionals who want EEG visualization without installing bulky software!