A cloud LLM either interviews you or answers your questions — full Power BI & data engineering depth. Pick a free provider and paste a key (stored only in this browser).
Tutor mode: ask any Power BI / data engineering interview question, get a complete, interview-ready answer with examples.
Saved in this browser only (localStorage). Never sent anywhere except the provider.
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This runs fully in your browser. The key is client-side — fine for personal practice on your own machine; don’t publish this page with a key baked in.