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TechBelievers
Tools & Automation

JSON Validator

Developer Tools Beginner

Check if your JSON is error-free. Instantly validate JSON syntax and structure with detailed error messages.

0 lines • 0 bytes

Common JSON Errors

Missing quotes around keys
Keys must be in double quotes: "key": "value"
Trailing commas
Remove commas after last item in objects/arrays
Single quotes
Use double quotes "text" not single quotes 'text'
Unescaped special characters
Escape quotes, newlines, and backslashes properly

Quick Actions

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Why Use JSON Validator?

Key Benefits

  • 100% Free - No registration or payment required
  • Instant Results - Process your data in seconds
  • Privacy First - Your data stays in your browser
  • Mobile Friendly - Works on all devices

Perfect For

  • Professionals and businesses
  • Students and educators
  • Content creators and writers
  • Developers and designers

How to Use JSON Validator

1

Access the Tool

Open JSON Validator on any device - desktop, tablet, or mobile. No installation or registration required.

2

Input Your Data

Enter, paste, or upload your content according to the tool's requirements. The interface is intuitive and user-friendly.

3

Get Results

Click the action button and get instant results. Download, copy, or use the output as needed.

Detailed Instructions

Validate JSON code and check for syntax errors with precise error location detection. Get detailed structure analysis including object count, array count, key count, maximum depth, and data type breakdown. Real-time validation as you type with helpful error messages showing line and column numbers. Includes common JSON error guide explaining typical mistakes like missing quotes, trailing commas, and single quotes. Format and validate in one click. Perfect for debugging API responses, configuration files, or any JSON data.

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<iframe src="https://techbelievers.com/tools/json-validator/embed?theme=light" width="100%" height="600px" frameborder="0" style="border: 1px solid #e2e8f0; border-radius: 0.5rem;"></iframe>

Embed Guidelines:

  • The embed includes a "Powered by TechBelievers" footer link
  • All tools are free to embed on any website
  • The iframe is responsive and works on all devices
  • No API key or registration required

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