Everything in the catalog

Renders DOT graph source as SVG as you type and stores the graph in the URL fragment for sharing.

Runs pandas, numpy and matplotlib in the browser via Pyodide to draw a bar chart.

Draws a word cloud on a canvas where words spiral outward from the center until they find free space.

Plots rows of a CSV with latitude and longitude columns as markers, configured through URL parameters.

Asks Gemini to locate objects in an image and draws the returned bounding boxes on top.

Requests segmentation masks from Gemini for objects in an image and overlays them for inspection.

Charts how often several search terms appear in Hacker News stories per month over a date range you pick.

Animated bar chart of Elo ratings over time that you can feed with your own JSON.