chartli

A command line tool that turns plain numbers into charts in the terminal. It supports several styles such as bars, sparklines, heatmaps and SVG.

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Overview

chartli is a command line tool that turns plain numbers into charts in the terminal. It reads numeric text from a file or from standard input and draws it in one of several styles: ascii, unicode, braille, spark, bars, columns, heatmap or svg. You can run it with npx or install it globally with npm.

Key features

  • Eight chart types including heatmap and sparkline
  • Reads from a file or standard input
  • Options for width, height, axis labels and data labels
  • Repository skill installable for AI agents

Best for

Anyone who wants a quick look at numeric data in the terminal without opening a plotting tool.

Upstream
ahmadawais/chartli
Fork on GitHub
Guo-astro/chartli
Upstream stars
793
Category
Developer tools and infrastructure
Language
TypeScript
License
No license declaredWithout a license, the author keeps all rights. Ask the upstream owner before reusing the code.
Forked
2026-03-08
Sync status
In syncLast synced 2026-09-29