Visualization Tools
Turn a CSV, a JSON array, or a diagram description into a chart or rendered visual — instantly, entirely in your browser.
Runs in your browser
CSV Chart Generator
Turn a CSV into a bar, line, area, scatter, pie, or histogram chart — pick columns, download as PNG.
Runs in your browser
Scatter Plot Generator
Plot two numeric columns against each other with a correlation coefficient and trend line, computed automatically.
Runs in your browser
Heatmap Generator
Color-code a matrix you already have, or compute and visualize a correlation matrix from raw data.
Runs in your browser
Box Plot Generator
Draw a box plot for one or more numeric columns — median, quartiles, IQR, and outliers computed automatically.
Runs in your browser
Mermaid Diagram Editor
Write Mermaid syntax and see it render live — flowcharts, sequence, class, state, and ER diagrams.
Runs in your browser
Graphviz / DOT Viewer
Render DOT graph syntax with the real Graphviz layout engine — 8 layout algorithms, live preview.