Mermaid Viewer – AI Tool for Code

Create and share Mermaid diagrams instantly in your browser.

Categories: Code, Productivity, Developer Tools

Rating:Not Yet Rated

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Pricing:From $6.99/mo(Free tier available)

₹584₹689 incl. 18% GST

TL;DR — Mermaid Viewer

Create and share Mermaid diagrams instantly in your browser. Pricing starts from ₹584/mo with a free tier available. Security: Published posture.

What is Mermaid Viewer?

Mermaid Viewer is an online diagram editor that allows users to create and edit Mermaid diagrams directly in their browsers. The tool features live previews, eliminating the need for a 'Render' button, and users can visualize diagram changes instantly as they type. Mermaid Viewer also provides AI-Assisted Coding with a 'Generate with GPT-4' feature that converts text descriptions into Mermaid code. Users can export their diagrams in a variety of formats including SVG, PNG, and Markdown, with options for custom DPI and dark or light themes. Mermaid Viewer supports enterprise integration and offers features such as Docker private deployment and role-based access control. The tool also includes a smart debugging feature with syntax error highlighting and auto-correction suggestions. For collaboration, Mermaid Viewer supports real-time co-editing of diagrams through shareable editor links. It comes with recommended templates that allow users to quickly start diagramming. Data in Mermaid Viewer stays in the browser and is not stored on an external server, ensuring user data privacy.

Security Assessment

Security: Published posture

Published posture scored 12/20 or above. We check HTTPS, a reachable privacy policy, and stated compliance commitments. We do not perform security testing.

Last assessed: 21 August 2026

How this score was built

Each scored criterion links to the published page it was derived from. Unscored criteria are marked, not guessed. This listing has not been hands-on tested.

Security & Data Privacy
The privacy policy is present and states that data stays in the browser and is not stored.
Source: mermaidviewer.com
8/10
Functionality & Features
The homepage details various features including live preview, AI-assisted coding, and smart debugging.
Source: mermaidviewer.com
8/10
Ease of Use
Requires hands-on use of the product.
Not assessed
Pricing & Value
The pricing page outlines multiple plans, including a free tier and details on features for each plan.
Source: mermaidviewer.com
8/10
Reliability & Performance
Requires hands-on use of the product.
Not assessed
Integration Capabilities
No citable published evidence in this pass.
Not assessed
Customer Support
No citable published evidence in this pass.
Not assessed
Company Stability
No citable published evidence in this pass.
Not assessed
Update Frequency
No citable published evidence in this pass.
Not assessed
Startup-Friendliness
The pricing page mentions a free tier suitable for getting started.
Source: mermaidviewer.com
8/10

Frequently Asked Questions

What is Mermaid Viewer and what does it do?

Create and share Mermaid diagrams instantly in your browser.

What does Mermaid Viewer cost in India?

Mermaid Viewer starts at ₹584/month (plus 18% GST). A free tier is available to get started.

Is Mermaid Viewer safe for startups?

Mermaid Viewer has a published security posture scoring 12/20 or above (HTTPS, a reachable privacy policy, and/or stated compliance commitments). We do not perform security testing.