A/B Test Calculator
Compare A/B test conversion rates with a two-proportion z-test. Review uplift, p-values and an approximate sample-size estimate. Free.
Open toolFree marketing and SEO tools: choose your next task
Build campaign links, check marketing economics, prepare structured data and plan your next workflow without an account.
How to use
- Choose a tool from the directory below.
- Read its numbered instructions and enter your information or try the sample.
- Copy or export any results you want to keep before leaving the page.
Calculations and file parsing happen in your browser.
No sign-up needed Your work stays in your browser Copy or export to keep your work
Break-Even ROAS Calculator
Calculate break-even ROAS from your price, product costs, shipping, fees and returns allowance. Add a profit margin to estimate target ROAS. Free.
Open toolBulk UTM Builder
Tag hundreds of campaign URLs with consistent UTM parameters. Import a CSV, set defaults and row overrides, then export your link sheet. Free.
Open toolCAC Calculator
Calculate customer acquisition cost from marketing and sales spend and new customers. Add LTV to compare your LTV:CAC ratio. Free calculator.
Open toolCampaign Profitability Calculator
Compare media ROAS with contribution after product and campaign costs. Review observed results or forecast sensitivity scenarios. Free calculator.
Open toolChurn Rate Calculator
Calculate logo churn, revenue churn and net revenue retention. Estimate implied customer lifetime using monthly churn assumptions. Free SaaS tool.
Open toolContent Refresh Planner
Compare two Search Console Pages exports to flag performance declines and prioritize investigation and potential content updates. Free planner.
Open toolEmail Marketing ROI Calculator
Estimate email revenue and ROI from your funnel rates and campaign cost. Include product costs in that cost for a fuller estimate. Free calculator.
Open toolFAQ Schema Generator
Create FAQPage JSON-LD from questions and answers visible on your page. Copy the markup; Google rich results are not guaranteed. Free.
Open toolLocalBusiness Schema Generator
Generate LocalBusiness JSON-LD for your business details, address, opening hours and visible ratings. Free schema generator, no signup.
Open toolLTV Calculator
Estimate customer lifetime value for ecommerce or SaaS using your assumptions. Review gross and margin-adjusted LTV and compare CAC. Free!
Open toolMarketing Automation Planner
Map a marketing workflow and estimate released time, costs and payback before automating. Free planner; time savings are not guaranteed cash savings.
Open toolMeta Title and Description Checker (Google, Bing, Yandex & DuckDuckGo)
The Best Meta Title & Description Checker for Google, Bing, Yandex & DuckDuckGo - Analyze 10 URL's At a Time For FREE!
Open toolOpen Graph Generator
Generate Open Graph and X card meta tags for social sharing. Preview your title, description and image before copying the tags. Free, no signup.
Open tool