Comparison

Beauty Diagram vs Eraser

Use Beauty Diagram when you already have Mermaid, PlantUML, draw.io, or SVG content and need cleaner output. Use Eraser when you want an AI-first diagram drafting workspace tied closely to technical docs and specs.

Feature
Beauty Diagram
Eraser
Primary job
Beautify existing diagrams
Draft developer diagrams and docs
Source-first editing
Mermaid and PlantUML source stays central
Prompt and document driven
Import path
draw.io and SVG import options
Focused on generated technical diagrams
AI usage
Generate or refine source for cleaner output
AI-first drafting and editing
Export polish
Optimized for presentation-ready SVG and HD PNG
Strong for docs-integrated sharing
Manual canvas
Light visual tweaks
More workspace-style diagram editing
Best user
Engineer or PM polishing an existing diagram
Engineer drafting diagrams from specs

Choose Beauty Diagram if...

  • Cleaning up existing Mermaid and PlantUML diagrams.
  • Turning imported draw.io diagrams into presentation-ready exports.
  • Fast theme switching, AI refine, and SVG or HD PNG output.

Choose Eraser if...

  • Drafting developer diagrams from docs, specs, and prompts.
  • Working in a technical whiteboard-style documentation space.
  • Creating architecture diagrams as part of a broader spec workflow.
Before / after proof

Start from source, then polish the output

A developer flow that can be generated, refined, beautified, and exported.

flowchart LR
  Spec[API spec] --> Draft[Generate draft diagram]
  Draft --> Refine[AI refine labels]
  Refine --> Export[Export polished diagram]

Where Beauty Diagram wins

Beauty Diagram is optimized for the moment after a diagram exists: clean up the structure, apply a better visual style, and export it for a doc or deck.

Where Eraser wins

Eraser is better when the diagram is part of an AI-first technical writing, spec, or developer documentation workflow.

Decision summary

If you need a diagram drafting workspace, compare Eraser seriously. If you need a fast beautifier for source you already have, Beauty Diagram is the more direct fit.

Pricing and value note

Beauty Diagram pricing centers on export quality, saved history, AI usage, and import capabilities. Use the pricing page to confirm current plan limits.

View pricing

FAQ

Does Beauty Diagram generate diagrams with AI?

Yes. AI Generate can draft diagram source, and AI Refine can improve existing source before beautifying.

Is Eraser better for docs?

Eraser can be a better fit for AI-first technical docs. Beauty Diagram is better when export polish is the main job.

Can I keep editing Mermaid source?

Yes. Beauty Diagram keeps the text source workflow visible so you can refine and re-export.