Vega Theme Studio

Vega Theme Studio live theme designer for Vega-Lite & Altair

Base theme

⌕

Flip the switch on any option to override the base theme.

Paste a Vega or Vega-Lite spec (JSON), then render with the live theme.

Rendering…

Charts render with your live config. Switch tabs to stress-test marks, legends and scales.

Export theme

Import theme

Paste a theme as JSON. Accepts a bare config object or a wrapper like { "config": { … } }. The imported theme becomes your base; recognised options pre-fill the sidebar.