Create pure CSS pie charts and donut graphs using CSS conic-gradient() with zero JS charting libraries.
Execution runs 100% locally inside the browser sandbox using HTML5 Canvas, Web Cryptography Subtle API, and Web Workers. Zero egress.
Zero network latency. Operates completely offline with zero dependencies on third-party backend servers or cloud services.
Built according to official RFC specifications, cryptographic test vectors, and enterprise-grade data transformation standards.
Add chart segments, assign custom colors, and set values.
Switch between solid Pie Chart and hollow Donut Chart with adjustable inner hole percentage.
Copy the lightweight standalone CSS conic-gradient rules.
No, they render using 100% pure CSS conic-gradient() with zero JavaScript overhead.
Yes, CSS conic-gradient is supported by 97%+ of global browsers including Chrome, Safari, Firefox, and Edge.
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