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Bean Network Tester is a free Windows utility developed by DonislawDev that simulates poor network conditions for a single chosen application, allowing developers and testers to observe how software behaves over unreliable connections without affecting the rest of the system. The tool applies configurable latency, jitter, packet loss, packet corruption, packet duplication, and bandwidth limits to the traffic of a selected application, making it useful for testing error handling, retry logic, timeouts, and the overall resilience of networked software under degraded connectivity. Because every outcome of a test run is reported as an exit code, Bean Network Tester can be embedded directly into automated pipelines, scripts, and continuous integration workflows, extending its usefulness beyond interactive, manual testing scenarios. The software requires Administrator rights in order to capture application traffic and requests elevated privileges automatically when needed. User data such as configuration profiles, saved window state, and CSV exports of results is stored in the %LOCALAPPDATA%\BeanNetworkTester directory, which keeps this information separate from the installation itself and ensures that upgrading the package does not overwrite or remove existing profiles and exported data. This makes the tool practical for iterative testing work, where consistent profiles and historical results need to persist across updates. Falling into the network testing and developer tools category, Bean Network Tester targets scenarios such as validating application behavior on mobile or congested networks, reproducing intermittent connectivity issues, and preparing software for real-world deployment conditions. The current version is 0.6.0, and two versions of the software are available, indicating an actively maintained release history. The pre-1.0 version number reflects an early development stage, yet the feature set described—traffic shaping, pipeline-friendly exit codes, per-application targeting, and persistent local state—positions Bean Network Tester as a focused, lightweight solution for Windows-based network degradation testing.
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