JSON Tools

What Is JSON?

JSON (JavaScript Object Notation) is a lightweight data interchange format that is easy for humans to read and write and easy for machines to parse and generate. It has become the de facto standard for web APIs, configuration files like package.json and tsconfig.json, and NoSQL databases like MongoDB. JSON supports six data types: strings, numbers, booleans, null, arrays, and objects.

When to Use Each JSON Tool

• JSON Formatter — beautify minified JSON for reading and debugging, or minify formatted JSON for production
• JSON Validator — check for syntax errors like trailing commas, missing brackets, or unquoted keys
• JSON to CSV — convert JSON arrays into spreadsheet-compatible CSV format
• JSON-YAML Converter — convert between JSON and YAML for Kubernetes configs, CI/CD pipelines, and more
• JSON to TypeScript — generate type-safe TypeScript interfaces from API response JSON

Which JSON Tool Do I Need?

Start with what you're trying to do:

• "My JSON is minified / unreadable" → JSON Formatter — adds indentation and line breaks
• "I'm getting a parse error" → JSON Validator — pinpoints the exact line and character of syntax errors like trailing commas, missing quotes, or unmatched brackets
• "I need this JSON in a spreadsheet" → JSON to CSV — flattens JSON arrays into rows and columns for Excel or Google Sheets
• "I need TypeScript types from this API response" → JSON to TypeScript — generates interfaces with nested types, optional fields, and array handling
• "I need this in YAML for a Kubernetes config" → JSON-YAML Converter — bidirectional conversion preserving comments and structure
• "I want to query specific fields from this JSON" → jq Playground — run jq filter expressions interactively against your JSON data

Tip: If you're not sure whether your JSON is valid, start with the Validator first. Many formatting issues are actually syntax errors — fixing them first saves time.

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