Charttoolbox

Free browser chart maker from a spreadsheet. No upload, no signup.

Charttoolbox Introduction

Charttoolbox is a set of focused browser tools that turn spreadsheet data into a clear chart. Open a CSV, TSV, XLSX or XLS file, or paste cells from Excel or Google Sheets. Parsing, calculation and rendering all happen in the browser — files are not uploaded, stored or inspected. No account and no signup. Separate generators cover bar (including grouped), line, pie/donut, scatter, histogram, correlation matrix, and a heatmap on the homepage. Export an editable SVG or a 1×/2×/3× PNG. Free for personal, academic and commercial visualization work.

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More about Charttoolbox

Pricing

Paid

Listed

Nov 12, 2026

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