Highlight patterns with animated heatmaps
Heatmaps are one of the best tools for visualizing how values change across two or more variables. Whether you're showing correlations, rankings, or response patterns, heatmaps help your audience see trends, clusters, and outliers instantly.
With Flourish, creating a custom, interactive heatmap is as simple as uploading your spreadsheet. From color gradients to custom cell shapes, filter controls to popups — every chart is fully customizable and ready to explore. Make your own heatmap now.
USE CASES
Visualize complex datasets with clarity
Heatmaps are powerful in many industries — from marketing and finance to healthcare and education
Reveal trends and outliers
Color gradients make it easy to spot highs, lows, and unusual values in large datasets.
Compare variables or groups
Use heatmaps to compare how categories or time periods relate across two axes.
Visualize correlation
Display relationships between multiple variables in a compact matrix format.
FEATURES
Everything you need to make online heatmaps
Powerful features that make data visualization easy and beautiful
No coding required
Build interactive heatmaps in minutes, without writing a single line of code.
Interactive filters
Let viewers filter and focus on specific groups or categories – with controls and time sliders.
Custom color scales
Choose gradients or categorical palettes that best match your data.
Dynamic popups
Let users discover exact numbers, explanations, or external resources on hover.
Flexible layout
Customize the cell size, spacing, and aspect ratio to fit your layout.
Embed anywhere
Integrate charts into reports, websites, and presentations with simple embed codes.
RESOURCES
Data visualization resources
Tips, guides, and resources to make your interactive heatmaps even more effective
Heatmaps – an overview
A step-by-step guide on how to create interactive heatmaps with Flourish
Learn more →
Frequently asked questions
A heatmap is a chart that displays data using color-coded cells, showing patterns or relationships across two or more dimensions. Use heatmaps to show trends, outliers, or correlations in complex datasets – especially when comparing across rows and columns.
Yes! Flourish supports both numeric and categorical heatmaps – just choose your coloring method in the settings. Learn more in our help doc.
Our Heatmap template supports filters, popups, color controls, cell layout options, and animations — all without code.
Flourish offers a free plan that’s perfect for exploring interactive data storytelling. You’ll get access to the full range of visualization types available in Flourish (including heatmaps), unlimited projects, full privacy for your unpublished work, plus helpful support resources.
If you’re an individual creating presentations and reports, our Presenter plan might be the right fit. It includes access to the Flourish app within Canva, along with image and SVG export options for your visualizations.
And if you’re ready to create fully branded visuals without attribution, collaborate across teams, connect your systems via API, and unlock advanced storytelling features like scrollytelling, our premium plans are designed for you. Reach out to our team to find the best option for your business.
Yes! Flourish works seamlessly with Canva – either from the Flourish interface or directly via our app in Canva. You can easily bring data to life with interactive visuals, all without breaking your design workflow.
You’ll need a Presenter plan or higher to add Flourish visualizations to a Canva design.
