Tree Map Generator
Visualize hierarchical data with tree maps.
Use this free online Tree Map Generator to create hierarchical layout visualizations from category/value pairs, useful for showing composition and part-to-whole relationships. It is helpful for demos, seed data, classroom examples, QA fixtures, and lightweight content drafts that need placeholder output. The form focuses on Data (Label, Value), Preview and returns a result you can copy, compare, or share, so you can move from input to answer without setting up a spreadsheet or custom script. Run one realistic example, adjust the inputs, and compare how the result changes before you copy or share it. Generated values are best for testing and drafting; do not treat placeholder names, addresses, or strings as verified real-world data.