JSON Editor for the Age of AI
Generate Pydantic models, Zod schemas, and JSON Schema from your data. Built for developers who demand more from their tools.
Features that set us apart
More than just formatting and validation. SuperJSON is a complete JSON development environment.
AI-Ready Structured Outputs
Generate structured schemas perfect for LLM applications. Export to Pydantic, Zod, or JSON Schema for OpenAI, Anthropic, and other AI providers.
Powerful Query Engine
Navigate complex JSON with JQ-like syntax. Real-time path tracking and intelligent query suggestions.
Multi-File Management
Work with multiple JSON files simultaneously. Automatic UUID tracking and local storage persistence.
Fully Customizable
Four professional IDE-level themes with full dark/light mode. Customizable linting, formatting, and editor preferences - all saved locally.
Smart Content Previews
Hover to preview images, markdown, PDFs, and embedded content. Automatic format detection and highlighting.
Highly Intuitive Interface
See array/object lengths inline. One-click copy at any level. Schema panel highlights sync with cursor position.
Advanced Validation
Real-time JSON validation with detailed error messages. Schema validation with AJV built-in.
Vim Mode Support
Full Vim keybindings for power users. Navigate and edit JSON with the efficiency of Vim.
Smart Format Detection
Automatically detects URLs, emails, hex colors, dates, UUIDs, and more with custom highlighting.
How we compare
See why developers choose SuperJSON over traditional JSON tools
| Feature | SuperJSON | JSONLint | JSONFormatter | JQ Playground | Schema Validator |
|---|---|---|---|---|---|
| AI-Ready Schema Generation | — | — | — | — | |
| Pydantic/Zod Generation | — | — | — | — | |
| JQ-like Query Syntax | — | — | — | ||
| Multi-file Management | — | — | — | — | |
| Smart Content Previews | — | — | — | — | |
| IDE-level Themes | — | — | — | — | |
| Vim Mode Support | — | — | — | — | |
| Inline Length Display | — | — | — | — | |
| Local Storage Persistence | — | — | — | — | |
| Schema Validation | — | — | |||
| JSON Schema Generation | — | — | — | ||
| Format & Minify | — | — | |||
| Syntax Highlighting | — | ||||
| Query Language Support | — | — | — | ||
| Real-time Validation | — | — |
Ready to supercharge your JSON workflow?
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