
Popularity
—
Last update
July 2026
License / pricing
Free tier available
Category
Data & diagrams
What it does
Turns your writing into editable infographics, flowcharts and visuals for slides and posts.
Summary based on the project's own description. The Japanese page has a fuller beginner guide: setup difficulty, what to prepare, and a step-by-step start.
Screenshots & visuals

Before you start
- Setup difficultyEasy to start
- Command lineNot required
- API keyNot required
- Sends data onlineYes
Judged automatically from the project's own metadata. Always confirm on the official page.
Napkin AI FAQ
- Do I need to install anything or write code to use Napkin AI?
- No install needed — it runs in the browser.
- Does Napkin AI work on a phone?
- Yes, it works on a phone.
- Can I use Napkin AI commercially?
- The licence is 商用サービス. Read the licence text before using it commercially.
How it compares
The conditions that decide whether you can actually use it, side by side.
| Tool | Command line | API key | Sends data out | Phone | Commercial use |
|---|---|---|---|---|---|
| Napkin AI (this page) | Not needed | Not needed | Yes | Yes | With conditions |
| ml-visuals | Not needed | Not needed | Yes | No | Yes |
| mermaid | Not needed | Not needed | No | No | Yes |
| next-ai-draw-io | Not needed | Required | Yes | No | Yes |
"Sends data out" means your input is uploaded to someone's server. Pick "No" when the material cannot leave your organisation.