Diagram Now Pricing

Pricing

Online Mermaid editing, live preview, and manual annotations are free by default. Credits are only used when AI turns text into Mermaid, SVG, and editable draw.io files.

Starter Annual

$19.99 / year
Best for small but recurring diagram work throughout the year.
Annual credits are granted upfront.

Best for

  • 240 credits / year, about 240 AI generations
  • Occasional requirements, support flows, or operation rules
  • Free online Mermaid editing with live preview
  • Save 15% versus buying monthly as needed

Basic Annual

$59.99 / year
Best for product owners and project leads who use Diagram Now every week.
Built for long-term individual use.

Best for

  • 1200 credits / year, about 1200 AI generations
  • A full year of PRD reviews, iteration planning, and process mapping
  • Free online Mermaid editing with live preview
  • Save 15% versus buying monthly as needed
Recommended

Pro Annual

$99.99 / year
Best for teams that need frequent generation, downloads, and billing review.
Lowest cost for year-round team usage.

Best for

  • 12000 credits / year, about 12000 AI generations
  • Team-scale PRDs, flow reviews, and engineering handoff
  • Free online Mermaid editing with live preview
  • Generation history and credit logs for billing checks