API Response Inspector & Formatter

Format, analyze & debug API responses instantly

Transform messy API responses into clean, analyzable formats with syntax highlighting, TypeScript interface generation, and comprehensive analysis tools. Perfect for developers debugging APIs, AI builders processing data, and no-code creators understanding webhook structures.

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Instant Formatting

Real-time response beautification

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AI-Friendly

Perfect for API workflow automation

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Multiple Exports

JSON, TypeScript, CSV formats

Example API Responses

REST API Response

Typical user data from a REST endpoint

GraphQL Response

Complex nested GraphQL query result

Webhook Payload

GitHub webhook event payload

Perfect for Modern Builders

Developer API Debugging

Quickly format and analyze API responses during development and testing

💡 Debug REST API endpoints, validate JSON structure, generate TypeScript interfaces

AI Builder Data Processing

Transform API responses for ChatGPT, Claude, and other AI workflow integrations

💡 Format API data for AI prompts, extract key fields, convert to structured formats

No-Code API Integration

Understand API response structure for Zapier, Bubble, and webhook integrations

💡 Analyze webhook payloads, map API fields, prepare data for no-code platforms

How It Works

Step-by-Step Process

1Copy and paste raw JSON, XML, or API response data into the input field
2Our tool formats, validates, and analyzes the structure in real-time
3Get formatted JSON, TypeScript interfaces, or structured data with one click

Core Capabilities

Supported Response Formats

JSONREST APIs, GraphQL
XMLSOAP APIs, RSS feeds
Raw TextAny string format

📋 Response Analysis

  • ✓Auto-detect JSON/XML format with syntax highlighting
  • ✓Pretty-print minified responses for readability
  • ✓Display response size, structure depth, and field count
  • ✓Validate JSON structure and highlight syntax errors

⚡ TypeScript Generation

  • ✓Generate TypeScript interfaces from JSON responses
  • ✓Handle nested objects and arrays automatically
  • ✓Detect optional fields and union types intelligently
  • ✓Copy-ready code for immediate use in projects

💾 Export & Copy Options

Formatted JSON
Pretty-printed with proper indentation
TypeScript Interfaces
Complete type definitions ready for use
CSV Data
Flattened data for spreadsheet analysis
Structure Summary
Field overview and data type analysis

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.