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xin zhang
Independent maker build tools with AI
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Charttoolbox
Turn spreadsheet data into clear charts in your browser
Sep 2026
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Joined Product Hunt
September 2nd, 2026
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xin zhang
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2d ago
Charttoolbox - Turn spreadsheet data into clear charts in your browser
Create heatmaps, pie and donut charts, or bar charts from CSV, Excel, and pasted data. Review field mapping, customize the result, and export PNG or SVG without uploading spreadsheet contents for server-side chart processing.
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