diagram.ch

Spec sheet

Purpose

diagram.ch turns plain-language descriptions of processes, ideas, systems, or workflows into editable diagrams.Read 8 Oct 2026 · diagram.ch

Account

The service does not require an account.Read 8 Oct 2026 · diagram.ch

Data handling

User text is sent securely to the AI service to produce Mermaid code, and temporary infrastructure logs may be created for security and reliability.Read 8 Oct 2026 · diagram.ch

Diagram types

The MVP supports flowcharts, process diagrams, mind maps, sequence diagrams, and system or software architecture diagrams.Read 8 Oct 2026 · diagram.ch

Editing

Users can edit the original description and regenerate, or edit copied Mermaid code in a compatible Mermaid editor.Read 8 Oct 2026 · diagram.ch

Exports

Users can download diagrams as SVG or PNG, or copy the Mermaid source code.Read 8 Oct 2026 · diagram.ch

Generation

The AI selects a diagram format and creates Mermaid syntax from the user's description.Read 8 Oct 2026 · diagram.ch

Prompt storage

Prompts and generated diagrams are processed for the request and are not intentionally saved in a product database.Read 8 Oct 2026 · diagram.ch

Sensitive data

The site advises users not to enter passwords, health data, financial details, or other highly sensitive information.Read 8 Oct 2026 · diagram.ch

Usage limit

Free generation is subject to a lightweight rate limit intended to protect the service from abuse.Read 8 Oct 2026 · diagram.ch

Plans and prices

Every diagram.ch plan and price →

Where Specifiction places it

• AI Diagram Generators#28 of 327.3