I Built a Free JSON Viewer That Respects Your Privacy 🔒

A free, private JSON viewer and formatter with no ads, no tracking and AI assistant built-in.
tags: json, webdev, javascript, opensource
cover_image: https://irjson.com/preview.png

canonical_url: https://irjson.com

The Problem 😤

Every time I needed to format JSON, I had to use tools that:

• 🚫 Show annoying ads
• 👀 Track your data
• 🐌 Load slowly
• 📧 Ask you to sign up

So I built irjson.com — a JSON tool that just works.

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What is irjson.com? 🤔

A free online JSON Viewer & Formatter built for developers.

No ads. No tracking. No signup. Ever.

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Features ✨

🎨 Format & Beautify

Paste messy JSON and get clean,
readable output instantly.

✅ Real-time Validation

Know immediately if your JSON is valid
or where the error is.

🌳 Interactive Tree View

Explore complex nested JSON
with an easy-to-use tree view.

🔍 Search & Filter

Find specific keys or values
inside large JSON files instantly.

📊 JSON Diff

Compare two JSON objects
and see exactly what changed.

📋 Schema Validation

Validate your JSON against
a JSON Schema instantly.

🤖 AI Assistant (On-device)

Get AI-powered suggestions
100% on your device — nothing sent to server.

🗜️ Minify

Compress JSON for production use
in one click.

🔑 Sort Keys

Alphabetically sort all keys
for better readability.

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Privacy First 🔒

`json
{
  "ads": false,
  "tracking": false,
  "dataStoredOnServer": false,
  "aiInference": "100% on-device"
}