Plain text in, clean diagrams and flowcharts out. It's the shortcut to making posts, slides and docs look designed when you have zero design skill.
Napkin branding on free exports, and credits are charged roughly per word — a long paragraph is a surprisingly expensive diagram.
| What you get free | 500 AI credits per week, unlimited editing and unlimited PNG/PDF export — free |
| Where the limit sits | Roughly 1 credit per word sent for generation; Napkin branding on free visuals |
| Credit card to start | No |
| Pricing type | Free tier |
| Last checked | 2026-07-30 · source |
| Platforms | web |
| Category | Images & design · Productivity |
We recheck every entry. Subscribers hear first when a free tier quietly shrinks.