Why Datastory is right for you
Designed for data storytellers, analysts, journalists, NGOs, and research teams who communicate insights through clear data visualization.
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Always free to use
Nothing to install and no account required.
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No-code needed
Create powerful visuals without writing a single line of code.
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Adaptable to your brand
Apply your fonts, colors, and styles effortlessly.
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Built for storytelling
Turn charts into clear, compelling narratives.
This is one of the most beautiful ways of showing the Global State of Democracy findings that I have ever seen. It was a pleasure to work with Datastory, who went above and beyond to create this site for us.
Seema Shah
Democracy Assessment Head at International IDEA
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Access Open data
Access our curated database of open public data
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Mode for the web
Fast, responsive visuals that work everywhere.
Visualize your data with interactive treemaps
To create a treemap in Datastory, upload a spreadsheet or paste your data directly into the editor. If you do not have data ready, you can start from an open dataset in Datastory's data catalog and build a chart from there.
Treemaps created with Datastory are interactive and designed for use on the web. Choose the treemap template, define the hierarchy in your data, and map values to size and colour. Changes appear instantly, making it easy to explore structure and relative importance.
Tools for storytellers
Each tool helps transform data into publishable stories, with support for structure, context, and clarity at every step.
Related charts and graphs
Explore other chart types to find the perfect visualization for your data.
Still have questions?
Get quick answers to the most common questions about treemaps.
Yes. Datastory offers a free tier that lets you create and publish interactive treemaps online using your own data or open datasets.
Treemaps are used to show hierarchical data and compare many values at once by representing them as nested rectangles sized by value.
No. Datastory is a self-serve tool designed to work without coding.
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