Format, Validate & View
Format, beautify, minify, inspect, and validate JSON data with instant syntax checks and collapsible tree viewers.
JSON to Data Formats
Convert JSON objects and arrays into CSV, Excel, XML, YAML, TOML, INI, HTML tables, Markdown tables, and plain text.
Data to JSON
Convert CSV, Excel, XML, YAML, TOML, TSV, HTML tables, and query strings into clean, structured JSON.
JSON to Code and Models
Generate strongly-typed interfaces, classes, and models from JSON for TypeScript, Python Pydantic, Java, Go, Rust, and more.
JSON to Backend, DB and API
Transform JSON data into SQL INSERTs, CREATE TABLE schemas, Prisma, Mongoose, Zod, OpenAPI, cURL, and Postman collections.
Query, Transform & Compare
Query with JSONPath or JMESPath, diff two JSON documents, flatten nested keys, deep merge objects, and filter arrays.
Schema and Structure
Generate and validate JSON Schemas, calculate payload byte sizes, analyze structural depth, and export to Avro or BigQuery.
Generate and Mock
Generate realistic mock data, synthetic users, products, arrays, templates, and AI-prompted JSON payloads.
Encode, Escape & Strings
Escape and unescape JSON strings, encode/decode Base64, convert to .env variables, and format query strings.
Special Formats & Dev Utilities
Inspect GeoJSON on interactive maps, decode JWT payloads, format JSON:API responses, validate JSONL, and generate JSON Patches.