Mermaid Viewer vs Eraser 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
Eraser
Competitor 2
Whimsical
Competitor 3
Suggested competitors for Mermaid Viewer: AI Diagram Maker88% WBWhiteboard by Athena AI86% DG Diagram-Generator86% 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 Eraser
eraser.io
Eraser is an AI diagramming tool for technical and process teams that generates diagrams from text prompts, code, or uploaded files.
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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.
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Traffic estimated monthly website traffic
Monthly visits
143.2Kvisits/mo
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MoM change
▼ 10.9%
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6-month growth
-9.3%
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Global rank web
#317,277
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Avg. last 3 months
163.4K
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Bounce rate lower is better
45%
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Pages / visit
1.8
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Visit duration
19s
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Traffic sources
● Direct 81% · ● Referral 19%
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Mermaid ViewerEraserWhimsical
046.6K93.1K139.7K186.3KMermaid Viewer · 158.9KMermaid Viewer · 157.9KMermaid Viewer · 184.8KMermaid Viewer · 170.5KMermaid Viewer · 186.3KMermaid Viewer · 160.7KMermaid Viewer · 143.2K100K1MMermaid Viewer · 158.9KMermaid Viewer · 157.9KMermaid Viewer · 184.8KMermaid Viewer · 170.5KMermaid Viewer · 186.3KMermaid Viewer · 160.7KMermaid Viewer · 143.2KJan '26FebMarAprMayJunJul
Pricing
Model
Freemium
Freemium
Freemium
Starting price
$69.99per month · free tier available
$15per 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
Free FreeStarter $15/moBusiness $45/moEnterprise Custom
Free FreePro $10/moBusiness $20/mo
Capabilities input → output
Input
CodeText
CodeDocumentsImagesText
ImagesText
Output
CodeImages
Images
Images
Skill level
Intermediate
Intermediate
Beginner-friendly
Categories
Productivity & OfficeAI Diagram Generator
Productivity & OfficeAI Diagram Generator
Design & CreativeProductivity & OfficeAI Diagram GeneratorAI Mind Mapping+1 more
Tasks what each tool can do · 3 shared · core   partial
Tasks covered
6
10
9
Diagrams
Diagram assistance
Flowcharts
Code diagramming
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UML diagrams
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Architectural diagramming
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Mermaid images
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Mind maps
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Team collaboration
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Wireframes
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BPMN
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BPMN diagrams
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Brainstorming
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Cloud diagrams
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Collaborative design
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Network diagrams
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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
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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.