Beginner
Control Chart Generator
X-bar, R, and I-MR charts with Western Electric rules for statistical process control.
Free browser-based statistical tools for quality engineers. Run control charts, capability analysis, and DOE studies instantly. No installation required.
Live Control Chart Preview
Select the path that matches your experience level and goals. We'll guide you to the right tools.
Just starting your quality improvement journey? Follow our guided DMAIC workflow with step-by-step tool recommendations.
Start Guided DMAIC WorkflowStudying for Green Belt or Black Belt? Explore a curated collection of commonly used Six Sigma tools aligned with certification exam preparation and practical problem-solving.
View Recommended Tool StackNeed results now? Jump directly into analysis tools for control charts, capability studies, and MSA.
Jump Into Analysis ToolsSee how StatSigma eliminates the common barriers quality engineers face with traditional statistical software.
Experience the simplicity of browser-based statistical analysis. Select a chart type and see how quickly you can generate professional results.
StatSigma provides online Six Sigma tools including control chart generators, process capability calculators, DOE analysis tools, and measurement system analysis software.
X-bar, R, and I-MR charts with Western Electric rules for statistical process control.
Calculate Cpk, Ppk, and generate histograms with specification limits analysis.
Factorial analysis with ANOVA, main effects, and interaction plots for process optimization.
Gauge R&R studies with %R&R, NDC calculation, and appraiser variation analysis.
Map Suppliers, Inputs, Process, Outputs, and Customers for DMAIC projects.
Structured problem-solving tools including Fishbone diagrams, 5 Whys analysis, and FMEA templates.
StatSigma simplifies statistical analysis into a straightforward workflow designed for busy quality professionals.
Choose from control charts, capability analysis, DOE, or MSA tools based on your project needs.
Import Excel or CSV files, or enter data directly. Our guided interface ensures proper data formatting.
Download professional reports in Word or PDF format with charts, statistics, and interpretation guidance.
Built on industry standards with enterprise-grade security and complete transparency.
Control charts and calculations follow established automotive industry guidelines for statistical process control.
256-bit SSL encryption. Data processed in your browser, not stored on servers. Complete privacy.
No waiting for software installation or license keys. Start analyzing immediately from any browser.
Export to Word or PDF with charts, statistics, and interpretation ready for stakeholders and auditors.
Designed by advanced statistics professionals trained in Six Sigma principles, combining analytical depth with practical process improvement workflows.
All features available at no cost during our Beta period. No credit card required to start.
We're in Beta and constantly improving. Check our public roadmap to see what's coming next and vote on features.
View Public Roadmap (Coming Soon) →Everything you need to know about using StatSigma for your quality improvement projects.
Yes, StatSigma is completely free during our Beta period. All features including control charts, capability analysis, and DOE tools are available at no cost. We may introduce premium features in the future, but the core statistical tools will remain free.
No. StatSigma runs entirely in your web browser. Simply visit the website and start analyzing. There are no downloads, installations, or IT approvals required. Works on Windows, Mac, Linux, and mobile devices.
Your data is processed in your browser and is not stored on our servers. For enhanced security, we use HTTPS encryption for all data transmission. You can also use our sample data to explore features without uploading your own files.
Yes. You can export your results to Microsoft Word or PDF format for easy inclusion in quality reports or presentations. Export includes charts, statistical summaries, and interpretation guidance formatted professionally.
Our calculations are based on established statistical methods including AIAG SPC standards for control charts and standard capability indices (Cpk, Ppk). We follow industry-standard formulas used in Minitab, JMP, and other professional statistical software.
Yes, StatSigma is responsive and works on all modern browsers including mobile devices. However, for complex analyses with large datasets, we recommend using a desktop or laptop for the best experience.
Free during Beta. No credit card required.
Questions? Contact us at hello@thestatsigma.com