Charts Tools

Render CSV and JSON as charts, and generate diagram source, in the browser.

Bar Chart Generator Paste a table, get an SVG bar chart you can download, edit and scale to any size.
Box Plot Generator Quartiles, whiskers and outliers for one group or many, drawn as a downloadable SVG box plot.
Heatmap Generator A grid of numbers coloured by value, with a sequential or a zero-centred diverging scale.
Histogram Generator A distribution chart from a column of numbers, with the bin width chosen for you or by you.
Line Chart Generator A line or area chart from any CSV, drawn as SVG in the page and downloadable as a file.
Pie Chart Generator A pie or donut chart with percentages worked out and the long tail folded into one slice.
Scatter Plot Generator An XY scatter plot with a least-squares trend line and the correlation coefficient stated.
Sparkline Generator A small inline trend line sized to sit in a table cell, with high, low and latest marked.
Processing happens locally in your browser. What you paste or load is processed by this page and is not uploaded to a server. Nothing is stored unless you use a control that says it stores something, and you can clear anything this site has kept from the privacy page.