Settings and Preferences JSON Example

A compact configuration-style object that shows booleans, strings, and nested preferences together.

Real-world use case: Use this for app settings, user preferences, and small config examples.

2 "theme": "light",

3 "locale": "en-IN",

4 "notifications": {

5 "email": true,

6 "sms": false

7 },

8 "sidebarCollapsed": false

Where this shape shows up in production

Frontend settings

Preference APIs

Feature toggles

Use this for release management, staged rollouts, and experimentation systems.

Use this when you need the smallest realistic JSON object for docs, onboarding, or parser checks.

JSON Config Files — package.json, tsconfig & Beyond

Understand every major JSON config file developers use daily: package.json, tsconfig.json, .eslintrc, VS Code settings, and more.

JSON Objects — Keys, Nesting & Patterns

Deep dive into JSON objects: key-value pairs, nesting, real-world patterns like API responses, configs, and schemas.

JSON Pretty Print & Viewer

Pretty-print, minify, and inspect JSON with strict-valid output, lenient repair modes, tree search, and local-only processing.

JSON Validator

Validate JSON syntax in real-time. Get clear error messages with line and column numbers.

JSON to Base64 Converter

Encode valid JSON into Base64 or Base64URL with UTF-8-safe processing, serialization controls, and a compact size audit.