Beauty Diagram
Beautifies Mermaid, PlantUML, and draw.io diagrams with themes and layout improvements.
Product memo
Developers and designers often struggle with the default rendering of Mermaid, PlantUML, and draw.io diagrams. Beauty Diagram addresses this by focusing on aesthetic quality, offering layout clean-up, typography enhancements, and multiple themes. It turns functional diagrams into polished, presentation-ready visuals, moving beyond basic editors to emphasize editorial-grade presentation.
- For who
- Developers and designers creating diagrams
- Solves what
- Beautifies Mermaid, PlantUML, and draw.io diagrams with themes and layout improvements.
- Diagram beautification
- Multiple themes
- SVG/PNG export
In their own words
Your diagrams We make them beautiful.
Beauty Diagram is an online Mermaid editor, PlantUML editor, and diagram beautifier for draw.io workflows.
Paste source, preview it live, clean up the layout in one click, and export beautiful diagrams as SVG or PNG.
Operator & company
Operators
1 person
Company
- Founded
May 2026
Operating model
- Business model
Saas
- Platform
Web app
- Audience
Developers
Builder strategy
- Strategy Type
- Niche Specialist
- Stage
- Pre Revenue
- Effort
- Solo Buildable
About Beauty Diagram Expand
Beautifies Mermaid, PlantUML, and draw.io diagrams with themes and layout improvements.
Niche context
Adjacent niches
Competitive context
5 peers · Same primary niche.
Commercial cues
- Model
- subscription
- Free tier
- Yes
- Trial
- No
Pricing strategy
- • A free tier lowers adoption friction for occasional diagram beautification.
- • Tiered monthly plans bundle usage limits for predictable project costs.
- • Usage-based limits on exports and AI runs align cost with value delivered.