Feature-rich browser dev-logger with UI overlay and pop-out window
Log messages with automatic source tracking
Attach objects, arrays, and errors to logs
Group related logs with timing
Attach context for correlation
Compare objects with change visualization
Auto-track Fetch/XHR requests
Export as JSON or text for bug reports
Control the overlay panel
Canvas-based visualization of logs and spans over time
Automatically capture uncaught errors and unhandled rejections
Test performance with many logs
Ctrl+Shift+L to toggle the
Devlog-UI panel, or click the floating button in the bottom-right corner.