Generate JSON Server configuration files from endpoint definitions. Set up a fully functional mock API server in seconds. Everything runs locally in your browser — nothing is uploaded.
Generate realistic mock JSON data from a schema description. Ideal for rapid API prototyping and frontend development without a backend.
Generate sample API responses from a schema definition. Create realistic mock data for frontend testing and development.
Generate mock API responses from OpenAPI spec fragments. Create realistic sample data for API development and testing.
Bidirectional YAML to JSON and JSON to YAML conversion with auto-format detection and real-time preview. Perfect for configuration files, API payloads, and data migration.
Generate type definitions from JSON for TypeScript, Java, C#, Python, Go, Rust, and Kotlin. Everything runs locally in your browser — nothing is uploaded.
API Mock Server Config lets you generate JSON Server configuration files from endpoint definitions. Set up a fully functional mock API server in seconds. Everything runs locally in your browser — nothing is uploaded.. It works on any device with a modern web browser.
Generate JSON Server configuration files from endpoint definitions. Set up a fully functional mock API server in seconds. Everything runs locally in your browser — nothing is uploaded. It runs entirely in your browser — no software installation or data uploads required.
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Yes. After the initial page load, API Mock Server Config runs entirely on your device with no internet connection needed. All processing is done locally.
It generates a db.json file and route configuration for JSON Server — a fake REST API. Define your endpoints and the tool outputs ready-to-use config files for instant mock server setup.
JSON Server is a Node.js tool that creates a full REST API from a JSON file. It supports GET, POST, PUT, PATCH, DELETE, filtering, pagination, and sorting — no backend code needed.
Yes. Define relationships like /posts/:id/comments by using nested object structures in the endpoint definitions. JSON Server handles the relational routing automatically.
The tool generates the config structure. For sample data, pair it with the Fake Data Generator or populate the db.json manually with realistic entries.
Install JSON Server (npm install -g json-server), then run json-server --watch db.json. The server starts on port 3000 with full CRUD endpoints.
API Mock Data Generator
Generate realistic mock JSON data from a schema description. Ideal for rapid API prototyping and frontend development without a backend.
Mock API Response Generator
Generate sample API responses from a schema definition. Create realistic mock data for frontend testing and development.