Clumsy 04 V2 Download ((top)) Free Jun 2026

is a free, open-source network simulation utility designed for Windows (Vista/7 and above) that allows developers to intentionally worsen network conditions to test application resilience. It works by capturing live network packets using the

, a free, open-source utility for Windows that allows you to simulate poor network conditions. While it is widely used by developers for debugging, it is also frequently used as a "lag switch" in gaming. Official Download & Safety clumsy 04 v2 download free

Clumsy is a small network-testing utility for Windows that lets you intentionally introduce packet loss, latency, duplication, reordering, and other faults between applications and the network stack. It’s useful for developers and QA teams who need to reproduce flaky network conditions during testing. is a free, open-source network simulation utility designed

Easier to toggle lag, drop, and throttle functions. Official Download & Safety Clumsy is a small

Delays packets for a set amount of time to emulate high ping. Drop: Randomly discards packets to simulate packet loss.