UltraLog
UltraLog
Unlock Your Performance Data
A high-performance, cross-platform ECU log viewer built with Rust. Analyze your datalog files with blazing speed and beautiful visualizations. Free and open source — no subscriptions, no licenses, just download and go.
Beautiful, responsive charts with zoom, pan, and multi-channel overlay support.
Built with Rust for maximum performance. Load and analyze large log files instantly.
Visualize relationships between any two channels with interactive scatter plots.
Play through your logs in real-time with adjustable speed controls.
Open multiple log files in tabs for easy comparison and analysis.
Export charts as PNG images or PDF documents for reports and sharing.
Toggle between metric and imperial units on the fly.
Stay up to date with automatic update notifications.
UltraLog supports a growing list of ECU manufacturers and formats