JSON Repair Tool

Fix broken JSON from AI & APIs

Fix broken or malformed JSON from AI models, APIs, and data sources. Automatically repair syntax errors, missing quotes, trailing commas, and formatting issues - no JSON expertise required.

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Auto-Repair

Fixes common errors

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AI-Friendly

Handles AI outputs

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Real-Time

Instant validation

Repaired JSON will appear here...

Try These Common Examples

Perfect for Modern Builders

AI Model Outputs

Fix broken JSON responses from ChatGPT, Claude, and other AI models that often have syntax errors.

💡 Perfect for cleaning up AI-generated API responses and data structures

API Development

Validate and repair JSON from APIs, webhooks, and data imports during development.

💡 Debug malformed API responses and fix data integration issues

No-Code Integrations

Clean JSON data before importing into Zapier, Make, Bubble, or other automation platforms.

💡 Ensure data quality for reliable no-code workflow automation

How It Works

Step-by-Step Process

1Detect and remove markdown wrappers
2Fix quotes and escape characters
3Remove trailing commas and comments
4Validate and format output

Features & Capabilities

  • ✓Fixes trailing commas from AI model outputs
  • ✓Converts single quotes to proper double quotes
  • ✓Removes markdown code block wrappers
  • ✓Handles unquoted object keys
  • ✓Removes comments and explanatory text
  • ✓Real-time validation with detailed error reporting

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.