CHART TEMPLATES
Bar
Line
Scatter
Facet
Donut
Map
···
Ready-made starting points. Click any template to load its spec into the editor — edit freely from there. Your current chart is replaced.
SHARE & SETTINGS
SHARE SPEC
SHARE VISUAL
THEME ▾
☀
SHARE SPEC copies the full JSON + config for Deneb. SHARE VISUAL makes a view-only link. THEME switches colour presets. ☀ toggles light/dark mode.
PROPERTIES PANEL
Point-and-click controls for common settings. Every change writes back into the JSON — amber lines show exactly what changed.
SPEC
CONFIG
DATA
● LIVE
RUN
FORMAT
FIT
+ −
+ TEXT LAYER ▾
{
"mark": "bar",
"width": 320,
"encoding": {
"x": { "field": "category" },
"y": { "field": "value" }
}
}
CHART PREVIEW
Live chart output. FIT resizes to fill the pane. + / − zooms without touching the spec.
⚠ CONSOLE
WARN Stacking applied even though aggregate is non-summative…
Vega-Lite warnings appear here when something in the spec doesn't look right.