DiagramPreview

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AI 図表ジェネレーター

自然言語プロンプトから Mermaid 図表を生成します。

テキストから Mermaid

プロダクトメモ、インシデント、アーキテクチャ文を Mermaid に変換します。

Mermaid AI 修正

壊れた Mermaid 構文を AI で修正し、読みやすくします。

Architecture Diagram Generator

Generate Mermaid architecture diagrams from product or system notes with AI.

AI PlantUML Generator

Generate PlantUML diagrams from natural language with Gemini and DeepSeek fallback.

AI Draw.io Generator

Generate editable diagrams.net / draw.io XML from architecture, CI/CD, and data flow prompts.

Grafana Dashboard Generator

Generate Grafana dashboard JSON for Prometheus, Loki, Node Exporter, API, and Kubernetes monitoring.

Prometheus Alert Rule Generator

Generate Prometheus alert rules YAML for APIs, infrastructure, Kubernetes, databases, and queues.

OpenAPI to Sequence Diagram

Convert OpenAPI paths into a Mermaid sequence diagram locally.

PlantUML to Draw.io

Convert common PlantUML sequence, component, class, and activity diagrams into editable draw.io XML with SVG preview.

SQL to ER Diagram

Convert CREATE TABLE SQL into a Mermaid ER diagram.

JSON Schema Visualizer

Inspect JSON Schema properties, types, required fields, and composition groups.

package.json 依存関係図

Visualize package.json dependencies, devDependencies, peerDependencies, and optionalDependencies.

Mermaid to Draw.io

Convert common Mermaid flowcharts and sequence diagrams into editable draw.io XML with SVG preview.

Docker Compose 図

Convert Docker Compose services and dependencies into a readable architecture diagram.

Terraform Architecture Diagram

Visualize Terraform resource blocks and references as a software architecture diagram.

Kubernetes Manifest ビジュアライザー

Inspect Kubernetes manifests as resource trees for deployments, services, ingress, labels, and namespaces.

GitHub Actions Workflow Diagram

Turn GitHub Actions YAML jobs, needs, and steps into a readable workflow diagram.

Regex Railroad 図

Turn regular expressions into simple railroad-style diagrams for documentation and code review.

Dockerfile Visualizer

Visualize Dockerfile build stages and instructions as a step-by-step diagram.

Helm Values Visualizer

Inspect Helm values.yaml as an expandable structure for chart review and documentation.

Nginx Config Visualizer

Visualize nginx server, location, proxy_pass, and upstream relationships.

OpenTelemetry Trace to Sequence

Convert OpenTelemetry spans JSON into a Mermaid sequence diagram for request flow review.

Log to Sequence Diagram

Turn simple service call logs into a Mermaid sequence diagram.

GraphQL Schema Visualizer

Visualize GraphQL types, inputs, interfaces, fields, and relationships.

Protobuf Schema Visualizer

Visualize protobuf messages, fields, and message references as a class diagram.

AsyncAPI Event Flow Diagram

Convert AsyncAPI channels into producer, channel, and consumer event flow diagrams.

DBML to ER Diagram

Convert DBML table definitions and refs into a Mermaid ER diagram.

Prisma Schema Diagram

Convert Prisma model blocks into an ER-style schema diagram.

Draw.io to SVG Preview

Preview uncompressed diagrams.net / draw.io XML as SVG and export the rendered result.

XML 図式化

Inspect XML documents as a readable tree for feeds, SVG snippets, configs, and integration payloads.

CSV 図式化

Preview CSV files as row and column trees for lightweight data inspection.

D2 プレビュー

D2 プレビュー をオンラインのワークスペースで扱い、サンプル、検証、エクスポート操作を利用できます。

Draw.io ビューア

Draw.io ビューア をオンラインのワークスペースで扱い、サンプル、検証、エクスポート操作を利用できます。

マインドマップ プレビュー

マインドマップ プレビュー をオンラインのワークスペースで扱い、サンプル、検証、エクスポート操作を利用できます。

JSON から図へ

JSON から図へ をオンラインのワークスペースで扱い、サンプル、検証、エクスポート操作を利用できます。

YAML から図へ

YAML から図へ をオンラインのワークスペースで扱い、サンプル、検証、エクスポート操作を利用できます。

DiagramPreview を選ぶ理由

Use one focused workspace for text diagrams, documentation previews, and file-based diagram formats.

Most rendering runs in the browser, keeping drafts fast while reducing unnecessary round trips.

Every tool has its own URL, metadata, related tools, and export actions so it can grow as a search-friendly utility.

FAQ

What can DiagramPreview render?

The first release focuses on Mermaid, PlantUML, Markdown, Graphviz, JSON, YAML, and structured preview pages for the remaining diagram formats.

Do diagrams upload to a server?

Browser-first tools render locally when possible. PlantUML uses a server URL in the first version so the renderer can be replaced later.

Can I export diagrams?

Supported renderers expose SVG, PNG, copy, and print-style PDF actions from the workspace toolbar.