DiagramPreview

Tool directory

Data & Schema Tools

Inspect JSON, YAML, and structured data as readable trees and diagrams.

Available tools

19

SQL to ER Diagram

Convert CREATE TABLE SQL into a Mermaid ER diagram.

JSON Diff Viewer

Compare two JSON payloads and inspect added, removed, and changed paths.

JSON Schema Visualizer

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

JSON Schema Form Preview

Turn JSON Schema properties, required fields, enums, and formats into a form preview.

jq Filter Tester

Run common jq-style filters against JSON and preview the filtered result.

XML to Diagram

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

JSONPath Tester

Run common JSONPath expressions against API responses and inspect matched values.

XPath Tester

Test XPath expressions against XML or HTML and inspect matched nodes.

JSON to Diagram

Visualize JSON as a readable object and array tree.

YAML Path Tester

Preview YAML path lookups for Kubernetes, Helm, GitHub Actions, and config files.

CSV to Diagram

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

TOML Visualizer

Inspect TOML sections, keys, and values from pyproject, Cargo, and app config files.

YAML to Diagram

Visualize YAML documents as readable tree diagrams.

TypeScript Interface Visualizer

TypeScript Interface Visualizer: Visualize TypeScript interfaces, type aliases, fields, and references for API and SDK docs.

Zod Schema Visualizer

Zod Schema Visualizer: Visualize Zod object schemas, validators, and validation documentation structure.

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.

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.

Priority workflows

Start with these high-value tools

Planned tools

OpenAPI VisualizerSQL Schema VisualizerPackage Dependency Visualizer