Technical Diagram

Technical Diagram

Build technical diagrams as code for free

B
@belgianbureau190
Published on Feb 25, 2026
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Platforms
Web

About Technical Diagram

Technical Diagram is a specialized tool designed for creating diagrams as code. You can build complex technical architecture diagrams and kanban boards seamlessly using Mermaid.js syntax. The platform ensures privacy and speed through 100% client-side execution, utilizing IndexedDB for local data management. This approach allows you to maintain your workflow without relying on server-side processing, providing a secure environment for your technical documentation and project planning needs.

Product Insights

Technical Diagram is a web-based platform for developers and technical writers to create architecture diagrams and kanban boards using Mermaid.js syntax. It operates entirely client-side with IndexedDB to ensure privacy and speed during documentation workflows.

  • Supports Mermaid.js syntax for architecture diagrams and kanban boards
  • Ensures data privacy with 100% client-side execution
  • Utilizes IndexedDB for efficient local data management
  • Available as a free web-based tool for technical documentation

Ideal for: Developers, technical writers, and DevOps engineers who need to build complex technical architecture or manage projects through code-based diagrams.

Screenshots

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Comments (1)

B
@belgianbureau190

The tool is developed and maintained by people who create a lot of technical diagrams in their daily work and from efficiency point of view weren't 100% satisfied with the existing tools.