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Welcome to the free online JSON Formatter & Validator tool by Time to Time – your go-to solution for cleaning up, validating, and beautifying your JSON data instantly.
Formats JSON with proper indentation
Validates JSON syntax in real-time
Highlights errors with helpful messages
Lets you copy or clear the JSON with a click
⚡ Fast & Secure: Runs directly in your browser
🎯 Precise Validation: Instantly catches syntax errors
💡 User-Friendly: Clean, modern interface with smart feedback
🆓 100% Free to use – No signups, no limits
Whether you’re a developer, data analyst, or student, this tool helps you quickly structure and verify JSON without needing any plugins or installations.
JSON (JavaScript Object Notation) is a lightweight format used for storing and exchanging data, commonly seen in APIs, web apps, databases, and configuration files. Correctly formatted JSON is essential to ensure smooth data parsing and application performance.
Paste raw JSON from any source — our tool will handle formatting.
Use this validator to debug API responses and configuration files.
Combine this with our CSV to JSON or JSON to Excel tools for powerful data transformations.
This tool is part of our growing suite of free digital utilities under the Time to Time brand. From developers to marketers, our tools are crafted to make your daily digital tasks easier, faster, and more efficient.