ROI Calculator
Calculate return on investment, profit margins, and payback multiples for your marketing campaigns.
Calculate ROI34 Free Analytics Tools. Zero Compromises.
Privacy-first calculators and data tools for professionals. No login, no tracking, no BS—just powerful analytics that work instantly in your browser.
Today's Insight: 68% of data falls within ±1 standard deviation. Are your metrics within normal range?
Featured Tools
Most powerful calculators for data-driven professionals
Correlation Calculator
Calculate Pearson correlation coefficient to measure relationships between variables with r² analysis.
Calculate CorrelationStandard Deviation Calculator
Calculate standard deviation and variance for sample or population data with complete statistical measures.
Calculate Std DevA/B Test Significance
Calculate statistical significance for A/B tests with p-values, confidence levels, and chi-square analysis.
Test SignificanceProfit Margin Calculator
Calculate profit margins and markup to understand your product profitability and pricing strategy.
Calculate MarginZ-Score Calculator
Calculate Z-scores, percentiles, and probabilities for statistical analysis and outlier detection.
Calculate Z-ScoreBrowse by Category
34 professional tools across 4 categories
Marketing & Analytics
10 tools
ROI, ROAS, CAC, CTR, CPM, Conversion Rate, and more
Revenue & Finance
7 tools
Profit margins, revenue growth, loan EMI, compound interest
Creator & Social
5 tools
YouTube revenue, TikTok engagement, Instagram growth, tags generator
Utilities & Data Tools
12 tools
Statistical analysis, data converters, text tools, formatters
🎉 Just Added: Statistical Analysis Suite
Professional-grade statistical tools for data analysis
Sample Size Calculator
Calculate required sample size for surveys and experiments with confidence intervals.
Calculate Sample SizeVariance Calculator
Calculate variance and standard deviation for sample or population datasets.
Calculate VarianceConfidence Interval
Calculate confidence intervals for means and proportions with multiple confidence levels.
Calculate IntervalMargin of Error
Calculate margin of error for surveys and polls with precision analysis.
Calculate MarginJSON Formatter
Beautify, minify, validate, and analyze JSON with syntax highlighting and error detection.
Format JSONWord Counter
Count words, characters, sentences, and analyze keyword density with reading time estimates.
Count WordsWhy Whiskeytics?
Built for professionals who value privacy and precision
Privacy First
No data collection. No tracking. Your inputs never leave your browser.
Instant Results
Lightning-fast calculations. No server delays or API calls.
100% Free
All 34 tools completely free. No paywalls, no subscriptions, no limits.
Enterprise Grade
Professional accuracy and reliability you can trust for business decisions.
Zero Dependencies
Pure vanilla JavaScript. Works offline. No frameworks required.
Export Ready
Download results as CSV. Perfect for reports and presentations.