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# Free JSON Formatter - Format and validate JSON with syntax highlighting

I built a free JSON Formatter that runs entirely in your browser. No signup, no server uploads, completely private.

## Features
- Format and beautify JSON with proper indentation
- Validate JSON syntax with detailed error messages
- Minify JSON for production use
- Works offline - all processing in browser

## Why I built this
Tired of installing tools or trusting third-party servers with sensitive data. This tool processes everything client-side for maximum privacy and speed.

Try it here: https://prompttools.dev/tools/json-formatter

What features would you add? Let me know in the comments!

#webdev #tools #opensource

Free JSON Formatter - Format and validate JSON with syntax highlighting

Hey everyone! I created a free JSON Formatter that works entirely in your browser.

Key features:
• Format and beautify JSON with proper indentation
• Validate JSON syntax with detailed error messages
• Minify JSON for production use
• Works offline - all processing in browser

Everything runs client-side, so your data never leaves your computer. No signup required, completely free.

Link: https://prompttools.dev/tools/json-formatter

Would love to hear your feedback!

Suggested subreddits: r/webdev, r/programming, r/devtools, r/javascript

Launched: Free JSON Formatter

Just shipped a JSON Formatter for developers. Built it because I was tired of [common pain point].

What it does:
→ Format and beautify JSON with proper indentation
→ Validate JSON syntax with detailed error messages
→ Minify JSON for production use

Tech stack: Next.js, TypeScript, runs 100% client-side

Early feedback has been great. Planning to add [future feature] next.

Check it out: https://prompttools.dev/tools/json-formatter

Happy to answer questions!

JSON Formatter - Format and validate JSON with syntax highlighting

A free, privacy-first JSON Formatter that runs entirely in your browser.

1. Format and beautify JSON with proper indentation
2. Validate JSON syntax with detailed error messages
3. Minify JSON for production use
4. Works offline - all processing in browser

Perfect for developers who value privacy and speed. No installation, no signup, no data collection.

https://prompttools.dev/tools/json-formatter

🚀 New tool: Free JSON Formatter

Format and validate JSON with syntax highlighting

✨ Format and beautify JSON with proper indentation
🔒 100% client-side (your data stays private)
⚡ No signup required

Try it: https://prompttools.dev/tools/json-formatter

#webdev #devtools