Description
Visualize your data structures instantly.
This extension converts raw JSON into clean Mermaid.js syntax for Entity Relationship (ER) Diagrams and Mind Maps. It is designed for developers, architects, and data analysts who need to document APIs or data structures quickly.
π KEY FEATURES:
β’ JSON to ER Diagram: Automatically detects objects, arrays, and relationships.
β’ JSON to Mind Map: Visualizes your JSON hierarchy as a tree.
β’ One-Click Copy: Generates valid Mermaid code ready to paste into GitHub, Notion, or ToolsHref.
β’ Zero-Crash Engine: Uses a robust text generator that handles large, complex JSON without freezing.
π PRIVACY FIRST:
β’ Zero Permissions Required: We do not access your tabs, history, or personal data.
β’ Offline Processing: All conversion happens locally in your browser. No data is sent to the cloud.
π NEED VISUALIZATION?
This tool generates the code. To view, edit, and export these diagrams visually, use our advanced suite at: https://toolshref.com/json-to-mermaid-generator/
Updates:
v1.0 - Initial Release with safe-mode generation.
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Details
| Version | 1.0 |
| Updated | Dec 19, 2025 |
| Size | 598KiB |
| First Seen | Mar 25, 2026 |
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