abusedmedia / sparkchart

A tiny Cloudflare Worker service that creates small SVG charts on the Edge

Sparkchart

A tiny Cloudflare Worker service that creates small SVG charts.

It can be useful in no-code / low-code tools to add tiny charts in tables or similar views.

Base URL

https://sparkchart.presenta.workers.dev/

Chart types

/bars
/line
/area
/dots (experimental)

Parameters

Data: numbers comma separated

?data=2,5,8,23

Color: any CSS color value

?color=red

Spline option for Area and Line only

?spline=true

Examples

https://sparkchart.presenta.workers.dev/bars?data=23,4,54,6,34,3&color=orange

https://sparkchart.presenta.workers.dev/line?data=23,4,54,6,34,3&color=steelblue&spline=true

https://sparkchart.presenta.workers.dev/area?data=23,4,54,6,34,3&color=red