Tools
Free tools to help with your research workflow.
Reference Checker
Upload your .docx and check whether in-text citations and your reference list are in sync.
Readability Checker
Score your writing with Flesch Reading Ease and Flesch-Kincaid Grade Level, with a per-paragraph heatmap.
Sample Size & Power Calculator
Estimate how many participants your study needs, or the power it already has, for t-tests, correlations, chi-square, and ANOVA.
Cronbach's Alpha Calculator
Check your scale's internal consistency with Cronbach's alpha, item-total correlations, and alpha-if-item-deleted. Your data never leaves your device.
Effect Size Converter
Convert between Cohen's d, Pearson's r, odds ratios, t statistics, and Fisher's z to compare studies on the same scale.
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