CDN and Node package to generate ASCII graphs inline
Turn CSV into clean Tufte-style ASCII charts with a Mermaid-style `chart` code block. Plain-text bar, line, sparkline & scatter that work in READMEs, terminals & LLMs.
Generate ASCII graphs ▁▂▃▅▇▅▃▂ in Markdown and for plaintext use. CDN and Node packages make it easy to setup and use. Includes an Obsidian Plugin.
Use the block syntax:
```chart
sparkline "System Metrics — 24h"
CPU, 12 25 38 55 72 88 72 55 38 25
Mem, 30 32 40 55 65 72 78 85 80 70
Net, 5 8 15 8 72 88 18 5 8 32
```
To generate multiple graph types: sparkline, bar charts, line graphs, progress, histogram and more. All in plaintext.
About Tufte on Product Hunt
“CDN and Node package to generate ASCII graphs inline”
Tufte launched on Product Hunt on June 23rd, 2026 and earned 89 upvotes and 3 comments, placing #22 on the daily leaderboard. Turn CSV into clean Tufte-style ASCII charts with a Mermaid-style `chart` code block. Plain-text bar, line, sparkline & scatter that work in READMEs, terminals & LLMs.
On the analytics side, Tufte competes within Writing, Analytics, Developer Tools and GitHub — topics that collectively have 788.7k followers on Product Hunt. The dashboard above tracks how Tufte performed against the three products that launched closest to it on the same day.
Who hunted Tufte?
Tufte was hunted by Arvin Dang. A “hunter” on Product Hunt is the community member who submits a product to the platform — uploading the images, the link, and tagging the makers behind it. Hunters typically write the first comment explaining why a product is worth attention, and their followers are notified the moment they post. Around 79% of featured launches on Product Hunt are self-hunted by their makers, but a well-known hunter still acts as a signal of quality to the rest of the community. See the full all-time top hunters leaderboard to discover who is shaping the Product Hunt ecosystem.
For a complete overview of Tufte including community comment highlights and product details, visit the product overview.
Arvin Dang