JSON Formatter with Examples & Auto-Fix
The most advanced JSON formatter with intelligent error detection, auto-fix suggestions, line-by-line debugging, and ready-to-use JSON examples. Format, validate, and minify JSON instantly with sample templates for APIs, user profiles, e-commerce, and configuration files.
Auto-Fix
Smart suggestions to fix JSON errors automatically
Real-time Validation
See errors as you type with precise line numbers
Line Numbers
Professional editor with syntax highlighting
JSON Examples
Ready-to-use sample JSON templates for common use cases
JSON Formatter with Sample Templates
Format, validate, and beautify your JSON data with our professional editor. Get started instantly with our curated collection of JSON examples including API responses, user profiles, product catalogs, and configuration files.JSON Formatter & Validator - Dark Mode Support, Format and validate JSON online with dark mode support. Free tool for developers.
Format, validate, and minify your JSON data with auto-fix
Sponsored
Looking for advanced JSON tools? Check out our premium features for teams.
Ready-to-Use JSON Examples & Templates
Skip the hassle of creating JSON from scratch. Our curated collection of JSON examples covers the most common use cases in web development, API design, and data modeling.
Complete user profile structure with authentication data, personal information, and preferences. Perfect for user management systems and social applications.
- • User authentication fields
- • Personal information structure
- • Settings and preferences
- • Social media links
Standard REST API response format with pagination, metadata, and error handling. Essential template for API development and testing.
- • Response status and metadata
- • Pagination structure
- • Error handling format
- • Data array with objects
Comprehensive product catalog structure with pricing, inventory, variants, and SEO data. Ideal for online stores and product management systems.
- • Product details and pricing
- • Inventory and variants
- • SEO metadata
- • Category and tags
Application configuration template with database settings, API keys, feature flags, and environment variables. Perfect for app setup and deployment.
- • Database configuration
- • API endpoints and keys
- • Feature flags
- • Environment settings
Analytics and event tracking structure with user actions, timestamps, and metadata. Essential for analytics platforms and user behavior tracking.
- • Event types and actions
- • User session data
- • Timestamp and metadata
- • Custom properties
Database table structure with relationships, constraints, and indexes. Perfect for database design, documentation, and schema migration planning.
- • Table structure and fields
- • Data types and constraints
- • Relationships and indexes
- • Migration metadata
Why Choose Our JSON Formatter?
Built by developers, for developers. We understand the pain points of working with JSON and created the most comprehensive solution available with practical examples and intelligent features.
Our AI-powered error detection doesn't just find problems—it suggests specific fixes with confidence scoring so you know which suggestions to trust.
- • Remove trailing commas
- • Fix unquoted object keys
- • Convert single to double quotes
- • Add missing brackets/braces
Line numbers, syntax highlighting, error highlighting, and jump-to-error functionality. Everything you need for professional JSON editing with sample data.
- • Line-by-line error detection
- • Contextual error messages
- • Keyboard shortcuts
- • Real-time validation
Get started instantly with our curated collection of JSON examples covering common use cases from API responses to database schemas and configuration templates.
- • User profiles and authentication
- • API responses and pagination
- • E-commerce product catalogs
- • Configuration files and settings
Perfect for Every Developer
Whether you're debugging APIs, validating config files, or learning JSON, our formatter adapts to your workflow with helpful examples and intelligent suggestions.
API Development
Debug API responses, validate request payloads, and format JSON for documentation with real examples and sample API response templates.
Configuration Files
Validate and format config files for applications, ensuring proper syntax with example configuration templates and best practices.
Learning & Teaching
Perfect for students learning JSON syntax with helpful error explanations, practical examples, and sample JSON data structures.
Code Reviews
Ensure JSON files are properly formatted before committing to version control with validation tools and example templates.
Trusted by Developers Worldwide
Ready to Format JSON Like a Pro?
Join thousands of developers who trust our JSON formatter for their daily workflow. No signup required, completely free with helpful examples and sample templates to get you started instantly.