JSON Formatter

Format & optimize JSON data

Minify or beautify JSON with real-time formatting, size comparison, and multiple copy options. Perfect for API optimization, debugging, and data processing with 1MB file support.

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Real-Time Processing

Instant formatting with 300ms debounce

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Size Comparison

Track bytes saved and percentage reduction

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Multiple Copy Options

Copy formatted, minified, or original

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Customizable Indentation

2, 4, 8 spaces or tabs support

Indentation:

Formatted JSON will appear here...

Try These Examples

Perfect for Modern Builders

API Development & Testing

Format API responses for debugging, minimize payloads for production, and optimize data transfer sizes.

💡 Format messy API responses for readability, minify JSON for faster API calls

AI Data Processing

Format AI model outputs, optimize JSON for ChatGPT/Claude prompts, and prepare structured data for analysis.

💡 Clean up AI-generated JSON, optimize prompts for token limits, format training data

Data Optimization

Minimize JSON files for storage efficiency, format configuration files, and optimize data for web performance.

💡 Compress configuration files, optimize web assets, reduce bundle sizes

How It Works

Step-by-Step Process

1Select beautify or minify mode, set indentation preferences for formatting
2Input your JSON data and see real-time processing with syntax validation
3Get formatted/minified JSON with size comparison and multiple copy options

Features & Capabilities

  • ✓Toggle between minify and beautify modes instantly
  • ✓Real-time processing with 300ms debounce for performance
  • ✓Size comparison showing bytes saved and percentage reduction
  • ✓Customizable indentation (2, 4, 8 spaces, or tabs)
  • ✓Syntax highlighting with error detection
  • ✓Multiple copy options for different use cases

Frequently Asked Questions

What types of tools does BuilderTools.dev offer?

We provide specialized micro-tools for data conversion, AI development, CSS calculations, API cost estimation, and project planning. All tools are designed to work seamlessly with modern development workflows including AI-assisted building and no-code platforms.

Are BuilderTools.dev tools free to use?

Yes! All our basic tools are completely free with no registration required. We're building premium features for power users, but our core mission is providing essential utilities that every builder can access instantly.

How do these tools help with AI-assisted development?

Our tools are optimized for AI workflows. Convert data to AI-friendly formats, estimate API costs before building, validate AI outputs, and handle technical calculations while you focus on prompting and creating.

Can I integrate BuilderTools with my existing workflow?

Absolutely! Our tools work great with ChatGPT, Claude, Zapier, Make, Bubble, Webflow, and traditional development environments. Copy-paste results anywhere or use our upcoming API for programmatic access.