GrowthBook DevTools by GrowthBook
GrowthBook DevTools helps you debug feature flags and experiments and design A/B tests visually — all from your browser.
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About this extension
Features
- Visually create and edit experiments – Use the GrowthBook Visual Editor to design A/B tests without touching code.
- 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.
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
- Visually create and edit experiments – Use the GrowthBook Visual Editor to design A/B tests without touching code.
- 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.
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
We're open source!  Contribute to this extension at https://github.com/growthbook/devtools
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Permissions and data
Required permissions:
- Input data to the clipboard
 - Extend developer tools to access your data in open tabs
 - Access your data for all websites
 
Optional permissions:
- Access your data for all websites
 
More information
- Add-on Links
 - Version
 - 1.2.3
 - Size
 - 925.39 KB
 - Last updated
 - 3 months ago (Aug 6, 2025)
 - Related Categories
 - License
 - MIT License
 - Version History
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