Welcome to Heat.js

A powerful Heat Map and Chart. With tons of settings, Heat.js can be tailored to suit your every need. Lightweight.

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v3.1.2 - 30th May 2024
Main Features
Free, open source (MIT License)
Zero-dependencies!
Fully configurable, with custom triggers and configurable text (allowing translations).
Map, Chart, Days, and Statistics views available.
Configuration dialog support per view.
Trend types to allow data split-ups.
Toggles support, which allow great flexibility when breaking down data.
Export all data to CSV, JSON, XML, and TXT.
Import data from JSON, TXT, and CSV (including via drag and drop).
12 themes available (for dark and light mode).
Configurable color ranges per view.
Data pulling (does not support trend types).
Preview
Latest News:

The core of the new website is now completed. However, we will continue to add new examples and documentation over the coming months.

Thank you all for your continued support.