Data Visualization

Tree Map Generator

Visualize hierarchical data with tree maps.

Method: standard formula Data Visualization

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.

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Input Pattern

Enter values in the left panel, keep units explicit, run the calculation, then copy or share the result. Invalid fields are highlighted immediately.

How to use this tool

Enter Data (Label, Value), Preview for the tree map generator, keeping units, dates, or text format consistent with the form labels.
Set range, length, count, or formatting constraints so the generated output fits the target use case.
Click "Generate Tree Map" and review the generated result for the primary output.
Copy or share the result together with the inputs so the output can be reproduced later.