A powerful Chrome Extension for A/B testing analysis, statistical significance, and metric evaluation. Designed for data ninjas and experimentation lovers who want to validate their results quickly and accurately.
Visit our official landing page to find the right statistical test for your data: Ninja Test Calculator Landing Page
- Comprehensive Statistical Tests:
- Z-Test: Perfect for binary metrics like conversion rates (Yes/No data).
- Poisson Test: Ideal for count data (e.g., clicks, purchases) that is evenly distributed.
- Quasi-Poisson Test: Designed for skewed count data (e.g., power users, viral content).
- Percentage Calculator: Quickly calculate percentage changes, increases, and decreases without leaving the tool.
- Smart Data Capture: Point-and-click functionality to capture data directly from your webpage (powered by Tesseract OCR).
- Side Panel Integration: Works seamlessly alongside your browsing experience in the Chrome Side Panel.
Get the latest version here: Download from Releases
- Download the latest
ninja-test-calculator-vX.X.X.zipfrom the Releases page. - Unzip the file to a folder on your computer.
- Open Chrome and go to
chrome://extensions/. - Enable Developer mode (top right).
- Click Load unpacked and select the extracted
ninja-test-calculatorfolder (containingmanifest.json). - Pin the extension to your toolbar for easy access.
This project is licensed under the MIT License.
See the LICENSE file for details.
- Clone the Repository:
git clone https://github.com/jatacid/ninja-test-calculator.git
- Open Chrome Extensions:
- Navigate to
chrome://extensions/in your browser. - Enable Developer mode in the top right corner.
- Navigate to
- Load Unpacked:
- Click Load unpacked.
- Select the
ninja-test-calculatordirectory (the folder containingmanifest.json) from the cloned repository.
- Pin & Play:
- Pin the extension to your toolbar for easy access.
- Click the icon to open the side panel.
- Open the Side Panel: Click the Ninja Test Calculator icon in your browser toolbar.
- Choose Your Test: Use the navigation tabs to select the appropriate statistical test (Z-Test, Poisson, etc.) or utility.
- Input Data:
- Manually enter your Control and Variant data (Visitors, Conversions, etc.).
- Use the "Capture" buttons (if applicable) to select numbers directly from your active webpage.
- Analyze: Instantly see your Confidence Level, Test Statistic, and P-Value.
- Interpret: The tool provides clear "Significant" or "Not Significant" results based on your confidence threshold (e.g., 90%, 95%, 99%).