Mermaid Viewer vs Napkin vs Tenorshare AI Diagrimo

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

Your tool
Mermaid Viewer
vs
Competitor 1
Napkin
Competitor 2
Tenorshare AI Diagrimo
Competitor 3
Suggested competitors for Mermaid Viewer: Eraser91% AI Diagram Maker88% WBWhiteboard by Athena AI86% CodeViz86% DG Diagram-Generator86% Whimsical84% ERBuilder84% Flowova AI84%
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 Napkin
napkin.ai
Napkin works directly from your text: paste or import it, click generate, and it proposes visuals that match the ideas in the writing.
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Competitor Tenorshare AI Diagrimo
tenorshare.ai
Tenorshare AI Diagrimo is a diagram and infographic maker that converts typed text into structured visuals.
Make main Remove
Traffic estimated monthly website traffic
Monthly visits
143.2Kvisits/mo
1.3Mvisits/mo
201.9Kvisits/mo
MoM change
▼ 10.9%
▼ 8.5%
▼ 10.4%
6-month growth
-9.3%
-46.4%
-79.0%
Global rank web
#317,277
#36,124
#216,868
Avg. last 3 months
163.4K
1.4M
252.8K
Bounce rate lower is better
45%
41%
44%
Pages / visit
1.8
3.9
1.9
Visit duration
19s
2m 36s
27s
Traffic sources
● Direct 81% · ● Referral 19%
● Direct 86% · ● Referral 9%
● Direct 67% · ● Referral 32%
Mermaid ViewerNapkinTenorshare AI Diagrimo
0831.2K1.7M2.5M3.3MMermaid Viewer · 158.9KMermaid Viewer · 157.9KMermaid Viewer · 184.8KMermaid Viewer · 170.5KMermaid Viewer · 186.3KMermaid Viewer · 160.7KMermaid Viewer · 143.2KNapkin · 3.3MNapkin · 2.7MNapkin · 2.4MNapkin · 2.3MNapkin · 2.4MNapkin · 2.1MNapkin · 1.8MNapkin · 1.6MNapkin · 1.4MNapkin · 1.3MTenorshare AI Diagrimo · 255.7KTenorshare AI Diagrimo · 1.1MTenorshare AI Diagrimo · 1.1MTenorshare AI Diagrimo · 961.7KTenorshare AI Diagrimo · 579.1KTenorshare AI Diagrimo · 528KTenorshare AI Diagrimo · 331.1KTenorshare AI Diagrimo · 225.3KTenorshare AI Diagrimo · 201.9K100K1M10MMermaid Viewer · 158.9KMermaid Viewer · 157.9KMermaid Viewer · 184.8KMermaid Viewer · 170.5KMermaid Viewer · 186.3KMermaid Viewer · 160.7KMermaid Viewer · 143.2KNapkin · 3.3MNapkin · 2.7MNapkin · 2.4MNapkin · 2.3MNapkin · 2.4MNapkin · 2.1MNapkin · 1.8MNapkin · 1.6MNapkin · 1.4MNapkin · 1.3MTenorshare AI Diagrimo · 255.7KTenorshare AI Diagrimo · 1.1MTenorshare AI Diagrimo · 1.1MTenorshare AI Diagrimo · 961.7KTenorshare AI Diagrimo · 579.1KTenorshare AI Diagrimo · 528KTenorshare AI Diagrimo · 331.1KTenorshare AI Diagrimo · 225.3KTenorshare AI Diagrimo · 201.9KNov '25DecJan '26FebMarAprMayJunJulAug
Pricing
Model
Freemium
Freemium
Freemium
Starting price
$69.99per month · free tier available
$9per month · free tier available
$6.99per 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
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Free FreePlus Monthly $9.99/moPlus Annual $6.99/mo
Capabilities input → output
Input
CodeText
DataText
Text
Output
CodeImages
DataImagesSlides
Images
Skill level
Intermediate
Beginner-friendly
Beginner-friendly
Categories
Productivity & OfficeAI Diagram Generator
Design & CreativeProductivity & OfficeAI ChartingAI Diagram Generator+3 more
Design & CreativeProductivity & OfficeAI Diagram GeneratorAI Infographic Generator
Tasks what each tool can do · 2 shared · core   partial
Tasks covered
6
7
5
Diagrams
Flowcharts
Infographics
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Charts
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Diagram assistance
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Code diagramming
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Mind maps
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Data charts
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Mermaid images
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Presentations
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UML diagrams
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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.