tools
Monitor browser performance, CPU load, and memory footprint in real-time. Check rendering FPS and debug frontend bottlenecks online.
Verify browser push notification permissions and test notification layouts online. Send custom alert payloads securely in-browser.
Capture webpage elements or entire documents as PNG images directly in your browser. Test HTML to canvas rendering online.
Pick colors from your screen and generate custom palettes online. Test browser EyeDropper APIs and check color formats in real-time.
View, edit, and format browser localStorage key-value objects online. Manage local state data and validate JSON structures in-browser.