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.