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Description
GrowthBook DevTools helps you debug feature flags and experiments all from your browser. Features - See feature flags and experiments in real time – Instantly view all active flags and experiments on any page. - Test variations on the fly – Override feature flag values and experiment variations to explore different scenarios. - Understand what’s happening – Get detailed debug logs explaining how flags and experiments are evaluated. - Simulate user experiences – Override attributes to see how different users interact with your features. - Use Archetypes for quick testing – Apply predefined user profiles for realistic testing. - Debug back-end SDKs – Override and observe front-end, back-end, and hybrid environments. - *Deprecated - moved to its own extension* - Visually create and edit experiments – Use the GrowthBook Visual Editor to design A/B tests without touching code. Learn more in our docs (https://docs.growthbook.io/tools/chrome-extension) Requirements - Install the GrowthBook Javascript, React, or HTML Script Tag SDK to your site (https://docs.growthbook.io/lib) GrowthBook is the open-source A/B testing and feature flagging platform. - https://www.growthbook.io Recent Changes *1.2.5* (2026-07-19) - Added deprecated notices to visual editor and links to new editor *1.2.4* (2026-03-05) - Visual editor bug fixes (CSP issues, invalid CSS selectors) - Support holdouts - Support OR conditions and new operator types - Bump SDK support to 1.6.5 *1.2.3* (2025-08-06) - Bug fixes (experiment tab crashes, experiment rule details not always rendering) *1.2.2* (2025-04-30) - Support for safe rollouts - Align back-end interfaces with JS SDK ^1.5.0 *1.2.1* (2025-04-16) - Support for backend SDK debugging (overrides, logs) - Feature and Experiment views now show both simulated and live evaluations when available - UI updates - Bug fixes *1.1.2* (2025-03-25) - Persist feature and experiment search filter - Bug fix: Improve association of debug logs to feature rules *1.1.1* (2025-03-17) - Choose between live, draft, and inactive revisions of features using the GrowthBook API - Quickly apply feature overrides from feature rules - Show feature descriptions and other meta information from the API *1.1.0* (2025-03-11) - Share DevTools session by link - Import/export DevTools session by JSON blob - Preview draft features & experiments not in SDK payload - Bug fixes (occasional attributes tab crashes, mislabeled experiment overrides, theme flickering) *1.0.4* (2025-03-05) - Ability to clear individual attribute overrides - Bug fixes (legacy SDK support, prevent attribute caching, fix search) *1.0.3* (2025-03-03) - Allow inspecting & overriding features not in the SDK payload (stale or unpublished features) - Allow overriding feature value types - Bug fixes (special chars in feature keys, legacy SDK support, type safety) - Warn when using outdated SDK version *1.0.2* (2025-02-27) - Bug fixes (persist overrides between page loads, better handling of missing API keys) *1.0.1* (2025-02-21) - Dark mode - Log tracking calls in debug logger - Bug fixes and legacy SDK support *1.0.0* (2025-02-21) - Brand new DevTools application - Runs docked or in popup mode (click the extension icon) - Does not affect Visual Editor