Free Online Tools
Calculators and generators for surveys, research, and data collection. No signup required — just use them.
📊 Survey & Research Calculators
NPS Calculator
Calculate your Net Promoter Score from survey responses
Sample Size Calculator
Determine the right sample size for your survey
Confidence Interval Calculator
Calculate confidence intervals for your data
Chi-Square Calculator
Perform chi-square tests for statistical analysis
Statistical Significance Calculator
Check if your A/B test results are significant
Survey Response Rate Calculator
Calculate response rates with industry benchmarks
CSAT Calculator
Calculate Customer Satisfaction Score
CES Calculator
Calculate Customer Effort Score
📈 Marketing Tools
UTM Builder
Create UTM-tagged URLs for campaign tracking
More tools coming soon...
🔧 Utility Tools
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