Tools
Free tools for the questions before a data project.
Free tools for the decisions before a data project: what a warehouse will cost, which GA4 events to track and how to define a KPI. All run in your browser.
Free tool · 2026-10-19
KPI definition template
Write one metric definition your teams agree on: owner, formula, grain, sources, inclusions, window, timezone and caveats. Export Markdown or CSV, or print it. No signup.
Open itFree tool · 2026-10-16
GA4 tracking plan generator
Pick e-commerce, SaaS, marketplace or lead-gen and get a starter GA4 event plan: events, parameters, key events. Download CSV or JSON, plus SQL that checks it in BigQuery.
Open itFree tool · 2026-10-14
Warehouse cost estimator
Estimate a monthly BigQuery, Snowflake or Redshift Serverless bill from your data size, scheduled jobs, dashboard refreshes and ad-hoc queries, at vendor list prices.
Open itFree tool · 2026-10-14
Snowflake warehouse cost calculator
Price each Snowflake warehouse by size, Gen1 or Gen2, clusters, hours and auto-suspend, see the credits lost to idle time, and test one size down. List prices, no signup.
Open itFree tool · 2026-10-12
BigQuery cost calculator
Compare BigQuery on-demand ($/TiB) with Standard, Enterprise and Enterprise Plus slot pricing, find your break-even point, and measure your own usage with one query.
Open itTell me what is broken.
A short call is usually enough to tell whether this is a two-week fix or a two-month one — and whether I am the right person for it.