Free resources • Tomas Corza
Marketing tools for better business decisions.
Calculate advertising performance, plan budgets, improve search visibility, and find opportunities to grow your business. Explore nine practical tools built for marketers, business owners, and e-commerce teams.
The toolkit
Find the right tool for the job.
Choose a category or browse the full collection. Each tool opens in its own dedicated page.
Return on Advertising Spend & Profitability Calculator
Measure advertising return, estimate gross profit after ad spend, and identify the return needed to break even using your cost of goods sold.
Open calculatorEmail Marketing Revenue Calculator
Estimate the revenue potential of your email campaigns using audience size, conversion assumptions, and order value.
Calculate email revenueCustomer Acquisition Cost Calculator
Understand how much you spend to acquire a new customer and evaluate the efficiency of your acquisition efforts.
Calculate acquisition costAdvertising Budget Planner
Model advertising budgets and performance targets before committing spend to your next campaign.
Plan your budgetSEO Title & Meta Description Preview
Preview how your page title and meta description might appear in search results before publishing.
Preview search snippetCampaign URL Builder
Create campaign links with consistent tracking parameters to help organize traffic attribution in your analytics reports.
Build tracking URLE-commerce Conversion Funnel Analyzer
Review customer drop-off through your shopping funnel and identify stages that may need attention.
Analyze your funnelWebsite Marketing Audit Checklist
Work through a practical checklist covering website experience and key marketing fundamentals to spot improvement opportunities.
Start website auditJobs-to-be-Done Strategy Builder
Uncover the progress customers want to make, explore their motivations and switching forces, and build a Jobs-to-be-Done statement and research brief.
Build your JTBD strategyChoose the tool that matches the marketing decision you need to make.
Use your available figures and assumptions to explore possible outcomes.
Use your results to prioritize what to investigate or improve next.
Need more than a calculator?
Get help turning marketing data into growth.
I offer hands-on support with e-commerce strategy, paid advertising, email marketing, analytics, and website optimization.