Statistical Analysis Online: Free Calculators and Clear Guides
Run t-tests, ANOVA, chi-square, correlation, regression and hundreds of other calculations online, then use practical guides to understand the formula, assumptions and result.
Move from your research question to a focused calculator for group comparisons, relationships, prediction, categorical data and nonparametric analysis.
Can I perform statistical analysis online for free?
Yes. Salar Cafe provides browser-based calculators for descriptive statistics, t-tests, ANOVA, chi-square, correlation, regression and many other methods.
How do I choose the correct statistical test?
Start with your research question, outcome type, number of groups, study design and assumptions. Each calculator links to guidance that helps you check the method.
Are my calculator values uploaded?
The calculators are designed to run in the browser. Do not enter confidential identifiers, and review the privacy policy before sending files through a contact form.
Need Help Choosing or Interpreting a Test?
Use the free tools first, then ask for ethical guidance if your design or output needs review.