Open access tax policy lab
Don't just read the tax code — see what it does to a number
TaxVisual publishes transparent, browser-based simulations for classrooms, policy workshops, and self-study. Every tool documents its assumptions and sources in the open.
Featured tool
Every tool documents its assumptions, cites its sources, and gives you direct controls to test scenarios in real time.
Explore
All of it free, and staying that way.
Tools
Manipulate a real rule in the browser and watch the arithmetic change as you do.
Browse tools →The textbook
An open access Pressbook covering individual, corporate, and pass-through taxation.
Read the book →Concept guides
Short written explainers on the rules each tool simulates. To be built.
See what is planned →Methodology
How every tool is sourced, what it simplifies, and when it was last checked.
Read the method →Three ways to use TaxVisual
Free · available now
Use the tools
Open any tool and start changing numbers. No account, no signup, nothing to install.
Free · to be built
Teach with it
Classroom guides, exercises, and a chapter-to-tool map for teaching from the open textbook.
Paid · to be built
Train your team
Custom sessions built around your team, your questions, and the decisions you actually make.
Who uses TaxVisual
To be built
Where the evidence goes: who is teaching with these tools, which institutions use them, and what people got out of a session. This is the section that turns a visitor into an enquiry, so it is worth filling with real names and real quotes rather than filling quickly.
Questions or suggestions?
Reach out about a tool idea, a correction, a classroom use case, or training for your team.