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Free JSON Formatter Chrome Extension

Working with APIs? The JSON Formatter extension automatically detects and formats raw JSON responses in your browser with syntax highlighting and a dark theme.

Features

• Auto-detects JSON pages
• Syntax highlighting with color-coded keys, strings, numbers, and booleans
• Beautiful dark theme (matches your IDE)
• Works offline
• Zero tracking, no account required
• Under 5KB total size

How to Use

Just install the extension and navigate to any JSON URL or API endpoint. The extension automatically formats the output. No configuration needed.

Install JSON Formatter — Free →

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