Tax tools

Choose a tool. Do the work.

A small shelf of complete calculators, IRS references, and professional-practice tools. Free and usable without an account.

Featured

Career practice

Client Interview Lab

Interview a realistic fictional client, uncover the controlling facts, make a decision, and improve through a changed-fact rematch.

AI-assisted · 10–15 min · Saves locally

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Reference shelf

Quick tax utilities

A deliberately small shelf

Only tools with a complete usable loop appear here. New career tools will be added after their feedback, privacy, and fulfillment paths are ready.