Chart.js vs D3.js

Chart.js

Simple yet flexible JavaScript charting library

D3.js

Data-Driven Documents — the gold standard for web data visualization

Feature Chart.js D3.js
Category Embeddable Embeddable
Sub-category Data Visualization Data Visualization
Maturity mature mature
Complexity beginner expert
Performance tier medium medium
License MIT ISC
License type permissive permissive
Pricing fully free fully free
GitHub stars 66.0K 110.0K
Contributors 400 100
Commit frequency weekly weekly
Plugin ecosystem none none
Docs quality excellent excellent
Backing org Chart.js Mike Bostock
Funding model community community
Min RAM 16 MB 32 MB
Min CPU cores 1 1
Scaling pattern single_node single_node
Self-hostable Yes Yes
K8s native No No
Offline capable No No
Vendor lock-in none none
Languages JavaScript JavaScript
API type SDK SDK
Protocols HTTP HTTP
Deployment npm, cdn npm, cdn
SDK languages
Team size fit solo, small, medium solo, small, medium
First release 2013 2011
Latest version

When to use Chart.js

  • Embed interactive charts in web dashboards
  • Simple data visualization for reports
  • Responsive charts for mobile apps

When to use D3.js

  • Custom interactive data visualizations
  • Geographic data maps
  • Network/graph visualizations
  • Scientific data plotting
  • Custom dashboard components

Chart.js anti-patterns

  • Canvas-based — not SVG (harder to style)
  • Limited chart types vs D3
  • Large datasets can be slow

D3.js anti-patterns

  • Steep learning curve
  • Verbose for simple charts
  • No built-in chart types — build everything
  • Requires DOM understanding
Full Chart.js profile → Full D3.js profile → All comparisons