Marketing & SEO Tools
Ad math, conversion, A/B testing, and SEO helpers.
SERP Snippet Preview
Preview how your page title and meta description will appear in Google search results. Shows the rendered SERP snippet with character counts and truncation warnings.
UTM Link Builder
Build clean UTM-tagged campaign URLs for Google Analytics tracking. Enter source, medium, campaign, term, and content — get a properly encoded URL to paste into your ads or emails.
CPM / CPC / CTR Calculator
Convert between impressions, clicks, cost, CTR, CPM, and CPC for any ad campaign. Enter any two values to calculate the others — useful for planning and evaluating digital ad buys.
ROAS Calculator
Calculate return on ad spend (ROAS), cost per acquisition (CPA), and the break-even ROAS needed to cover your cost of goods. Essential for evaluating paid search and social campaigns.
Conversion Rate Calculator
Compute conversion rates from visitors and conversions, compare two rates, and calculate the confidence interval around each estimate. Useful for landing page and funnel analysis.
A/B Test Significance
Run a two-proportion z-test on A/B test results. Enter visitors and conversions for each variant to see p-value, statistical significance, relative lift, and minimum sample size guidance.
LTV / CAC Calculator
Calculate customer lifetime value (LTV), customer acquisition cost (CAC), LTV:CAC ratio, and CAC payback period. Core SaaS and e-commerce metrics for assessing unit economics.