
Cascii
CASCII provides an open-source ASCII diagram builder written in JavaScript, according to its page description.

About Cascii
CASCII provides an open-source ASCII diagram builder written in JavaScript, according to its page description.
Cascii is a website in our Charts & Data Visualization collection, part of the Design & Creative directory. It runs in your web browser, so there's nothing to install.
People usually find Cascii when they’re looking for data visualization.
Not quite what you need? Close alternatives include Cascii Core, tree, and Diagramify — compare them below.
Cascii at a glance
- Website
- cascii.app
- Category
- Design & Creative › Charts & Data Visualization
- Type
- Website
- Pricing
- Not confirmed. Check the site
- Platforms
- Web
- Open source
- Not stated
- Last checked
- Oct 6, 2026 · Online when checked
- Listed
- Oct 5, 2026
Guides for Charts & Data Visualization

Cascii alternatives
Tools and sites you could use instead, ranked by how closely they match.
Cascii Core builds ASCII and Unicode diagrams in a browser using vanilla JavaScript, without server or library dependencies.
Tree generates ASCII diagrams of folder structures as a browser utility written in TypeScript and React.
Diagramify turns a written diagram description into a diagram, with a simple prompt-and-generate workflow shown on its page.
Mermaid ASCII renders Mermaid-style diagrams as ASCII output, with examples for sequence charts and labeled arrows.
Svgbob converts text-based ASCII diagrams into SVG graphics, with both a library and command-line interface.
Chart.js is an open-source JavaScript library for drawing charts on websites.
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