Free Treemap Chart Maker

Nested rectangles sized by value — the bigger the rectangle, the bigger the number. It shows composition and relative scale at once, which a bar chart splits across two readings.

Once you pass about six categories. A pie turns into unreadable slivers, while a treemap keeps small values visible and still shows how they compare. Treemaps also handle a long tail without a messy legend.

Yes — that is the point of a treemap. Marketing budget can break into Paid search, LinkedIn ads, Events, Webinars, SEO content, and Email, with each block sized by spend and grouped under its parent.

By area, in proportion to the value you enter. Doubling a value roughly doubles its area, so the layout stays honest as you edit.

Yes — assign a colour per category. Keeping one hue family per parent group makes the hierarchy readable at a glance; unrelated colours make it look like noise.

Yes. Blocks can grow, appear one by one, fade, slide, or pop. Preview is free; MP4 export is Pro.

Budget splits, revenue by product, storage or disk usage, support ticket mix, portfolio weightings — anything where the parts make up a whole and the sizes differ a lot.