Test internet with one-tap measurements for download, upload, and delay. Access servers in 1000+ cities worldwide. Save and view test history. Compare results across cellular and WiFi networks.
Convert units across , engineering, and everyday categories. Perform calculations with built-in formulas. Save frequently used conversions. Toggle dark mode. Switch between languages. Provide feedback for improvements.
Measure network performance by testing TCP bandwidth and UDP characteristics. Run as client or server. Customize testing parameters. Display Wi-Fi link and SSID. Compatible with iperf3 on other platforms.
Convert units across 8 including length, weight, thermal resistance, and magnetism. Switch between metric and imperial systems. Save frequently used conversions. Export results as text or image.