A Modern CAN Bus Analyzer
Trace CAN frames, decode signals, and plot everything. Native Linux app for real-time data. Browser tool for post-analysis anywhere.
All the features you need for CAN network visualization and analysis
Live Data View and Capture
Connect to socketCAN hardware to view live CAN frames. Save to log files for later analysis.
Signal Decoding
Load a CAN database (DBC) to transform can frames from raw bytes to human-readable values
Plot Signals
View messages and plot signals for visual analysis
Filter Data
Reduce the noise with frame filters. Filter CAN frames by any field: ID, Data, Time, Channel, or combine them!
Log Playback
Load log files (.asc, .log) to view CAN frames directly in your browser
No Install Required
Use SeerWatch right in your web browser for log analysis anywhere. Or use the native Linux app to get the full experience with live data.
Tired of CAN bus tools that only run on Windows?
SeerWatch is one application that runs in your browser or on your desktop. So you can use it from your laptop, bench workstation, or phone. No download or installation required.
SeerWatch In Action
Visualize with Plots
Scroll, zoom, and use crosshairs to pinpoint exact signal behavior with interactive plots
Transform CAN Frames to Decoded Signals
Message trace displays raw CAN frames alongside decoded signals. DBC files automatically convert payloads to engineering units

Join our newsletter
Sign up to get notified about new features as we build everything you need for CAN network visualization and analysis.