Eraser vs Napkin vs Mermaid Viewer

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

Your tool
Eraser
vs
Competitor 1
Napkin
Competitor 2
Mermaid Viewer
Competitor 3
Suggested competitors for Eraser: AI Diagram Maker91% Lucidchart AI87% CodeViz87% Miro83% Whimsical83% WBWhiteboard by Athena AI82% Flowova AI82% Tenorshare AI Diagrimo81%
Compare
3 tools · best value per row highlighted
Your tool 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 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 Mermaid Viewer
mermaidviewer.com
Mermaid Viewer runs entirely in your browser
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Traffic estimated monthly website traffic
Monthly visits
—
1.3Mvisits/mo
143.2Kvisits/mo
MoM change
—
▼ 8.5%
▼ 10.9%
6-month growth
—
-46.4%
-9.3%
Global rank web
—
#36,124
#317,277
Avg. last 3 months
—
1.4M
163.4K
Bounce rate lower is better
—
41%
45%
Pages / visit
—
3.9
1.8
Visit duration
—
2m 36s
19s
Traffic sources
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● Direct 86% · ● Referral 9%
● Direct 81% · ● Referral 19%
EraserNapkinMermaid Viewer
0831.2K1.7M2.5M3.3MNapkin · 3.3MNapkin · 2.7MNapkin · 2.4MNapkin · 2.3MNapkin · 2.4MNapkin · 2.1MNapkin · 1.8MNapkin · 1.6MNapkin · 1.4MNapkin · 1.3MMermaid Viewer · 158.9KMermaid Viewer · 157.9KMermaid Viewer · 184.8KMermaid Viewer · 170.5KMermaid Viewer · 186.3KMermaid Viewer · 160.7KMermaid Viewer · 143.2K100K1M10MNapkin · 3.3MNapkin · 2.7MNapkin · 2.4MNapkin · 2.3MNapkin · 2.4MNapkin · 2.1MNapkin · 1.8MNapkin · 1.6MNapkin · 1.4MNapkin · 1.3MMermaid Viewer · 158.9KMermaid Viewer · 157.9KMermaid Viewer · 184.8KMermaid Viewer · 170.5KMermaid Viewer · 186.3KMermaid Viewer · 160.7KMermaid Viewer · 143.2KNov '25DecJan '26FebMarAprMayJunJulAug
Pricing
Model
Freemium
Freemium
Freemium
Starting price
$15per month · free tier available
$9per month · free tier available
$69.99per month · free tier available
Free tier
Free trial
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–
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API access
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Plans
Free FreeStarter $15/moBusiness $45/moEnterprise Custom
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Free FreeStarter $69.99/yrPro $119.99/yr
Capabilities input → output
Input
CodeDocumentsImagesText
DataText
CodeText
Output
Images
DataImagesSlides
CodeImages
Skill level
Intermediate
Beginner-friendly
Intermediate
Categories
Productivity & OfficeAI Diagram Generator
Design & CreativeProductivity & OfficeAI ChartingAI Diagram Generator+3 more
Productivity & OfficeAI Diagram Generator
Tasks what each tool can do · 2 shared · core   partial
Tasks covered
10
7
6
Diagrams
Flowcharts
Code diagramming
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Diagram assistance
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UML diagrams
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Infographics
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Mind maps
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Architectural diagramming
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Charts
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Data charts
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Mermaid images
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BPMN
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BPMN diagrams
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Cloud diagrams
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Network diagrams
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–
Presentations
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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.