Mermaid Viewer vs DG Diagram-Generator vs Whimsical

Which one fits you in 2026? Traffic, pricing, input → output, tasks and community side by side.

Your tool
Mermaid Viewer
vs
Competitor 1
DG Diagram-Generator
Competitor 2
Whimsical
Competitor 3
Suggested competitors for Mermaid Viewer: Eraser91% AI Diagram Maker88% WBWhiteboard by Athena AI86% CodeViz86% Flowova AI84% ERBuilder84% Lucidchart AI83% Tenorshare AI Diagrimo83%
Compare
3 tools · best value per row highlighted
Your tool Mermaid Viewer
mermaidviewer.com
Mermaid Viewer runs entirely in your browser
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Competitor DG Diagram-Generator
diagram-generator.com
Transforming text descriptions into professional diagrams usually requires either specialized software skills or settling for basic auto-generated output
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Competitor Whimsical
whimsical.com
Whimsical is a whiteboard for product builders that combines diagrams, flowcharts, mind maps, wireframes and documents on an infinite canvas.
Make main Remove
Traffic estimated monthly website traffic
Monthly visits
143.2Kvisits/mo
10.8Kvisits/mo
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MoM change
▼ 10.9%
▼ 45.5%
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6-month growth
-9.3%
-30.7%
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Global rank web
#317,277
#2,199,388
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Avg. last 3 months
163.4K
15.9K
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Bounce rate lower is better
45%
39%
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Pages / visit
1.8
1.6
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Visit duration
19s
15s
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Traffic sources
● Direct 81% · ● Referral 19%
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—
Mermaid ViewerDG Diagram-GeneratorWhimsical
046.6K93.1K139.7K186.3KMermaid Viewer · 158.9KMermaid Viewer · 157.9KMermaid Viewer · 184.8KMermaid Viewer · 170.5KMermaid Viewer · 186.3KMermaid Viewer · 160.7KMermaid Viewer · 143.2KDG Diagram-Generator · 5.4KDG Diagram-Generator · 10.7KDG Diagram-Generator · 15.6KDG Diagram-Generator · 26.5KDG Diagram-Generator · 24.5KDG Diagram-Generator · 16.9KDG Diagram-Generator · 19.9KDG Diagram-Generator · 10.8K1K10K100K1MMermaid Viewer · 158.9KMermaid Viewer · 157.9KMermaid Viewer · 184.8KMermaid Viewer · 170.5KMermaid Viewer · 186.3KMermaid Viewer · 160.7KMermaid Viewer · 143.2KDG Diagram-Generator · 5.4KDG Diagram-Generator · 10.7KDG Diagram-Generator · 15.6KDG Diagram-Generator · 26.5KDG Diagram-Generator · 24.5KDG Diagram-Generator · 16.9KDG Diagram-Generator · 19.9KDG Diagram-Generator · 10.8KDec '25Jan '26FebMarAprMayJunJul
Pricing
Model
Freemium
Freemium
Freemium
Starting price
$69.99per month · free tier available
$9per month · free tier available
$10per month · free tier available
Free tier
Free trial
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API access
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Plans
Free FreeStarter $69.99/yrPro $119.99/yr
Developer FreeStarter $9/moProfessional $35/mo
Free FreePro $10/moBusiness $20/mo
Capabilities input → output
Input
CodeText
Text
ImagesText
Output
CodeImages
CodeImages
Images
Skill level
Intermediate
Beginner-friendly
Beginner-friendly
Categories
Productivity & OfficeAI Diagram Generator
Design & CreativeProductivity & OfficeAI Diagram GeneratorAI Infographic Generator+1 more
Design & CreativeProductivity & OfficeAI Diagram GeneratorAI Mind Mapping+1 more
Tasks what each tool can do · 2 shared · core   partial
Tasks covered
6
6
9
Diagrams
Flowcharts
Diagram assistance
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Mind maps
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Mermaid images
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UML diagrams
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Code diagramming
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Infographics
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Team collaboration
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Wireframes
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Brainstorming
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Collaborative design
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UX design
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Community on aitoolstime
Rating
no ratings yet
no ratings yet
no ratings yet
Upvotes
▲ 0
▲ 0
▲ 0
Saves
0
0
0
Reviews
0
0
0
Prompts
0
0
0
Verified listing
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Traffic figures are third-party estimates for the tool's own domain; tools sharing a domain with a bigger product are not counted. Pricing is captured from each tool's site and may lag.