Native macOS JSON ToolAI-powered

JetJSON

An AI-powered, native macOS tool for a serene and productive JSON workflow. Built for speed, designed for flow.

Mac App Store: Coming Soon

✨ Key Features

Essential Toolkit

The fundamentals for a serene JSON workflow — fast, reliable, and delightful.

Format & Prettify
Format & Prettify

Instantly format messy JSON into a clean, human-readable structure.

Escape & Unescape
Escape & Unescape

Effortlessly escape and unescape JSON strings for safe embedding.

Syntax Highlighting & Themes
Syntax Highlighting & Themes

Customizable, elegant themes that follow your system’s light or dark mode.

Node Visualization
Node Visualization

Navigate complex structures with an intuitive, interactive tree view.

JSON Diff
JSON Diff

Side-by-side comparison to clearly see differences between JSON objects.

File Association (.json)
File Association (.json)

Associate .json files with JetJSON. Double-click to open instantly on macOS.

Open Huge Files
Open Huge Files

Optimized native performance — handles JSON files with 100,000+ lines smoothly.

🧠 AI Superpowers

Do more with natural language

Generate data, repair JSON, fix typos, and perform complex edits — simply by asking.

AI Mock Data

Describe the data (e.g., "a list of 10 users with name, email, and address") and generate realistic mock JSON.

Try: add a 'price' field with a random number to all products

AI Format Repair

Paste broken JSON and let AI intelligently fix missing commas, brackets, and quotes.

Try: add a 'price' field with a random number to all products

AI Key Typo Correction

Detects and suggests fixes for common key typos (e.g., 'usre' → 'user').

Try: add a 'price' field with a random number to all products

AI Conversational Editing

Chat to perform complex modifications like removing inactive users or adding a price field to all products.

Try: add a 'price' field with a random number to all products
🌐 Open Source Philosophy

Transparent client, powered AI backend

Built for the community with a balanced model to sustain AI innovation.

Open Source Client (MIT)
The macOS application is open-source under MIT. Inspect, learn, and contribute to build the best native client together.
Closed Source AI Backend
Powerful AI features are served by a proprietary backend to ensure quality and cover computational costs. We are committed to offering a free tier for core AI functionality.
🚀 Getting Started

Install JetJSON

Choose your preferred way to install.

Mac App StoreComing Soon
One-click install and auto updates via the App Store.
GitHub Releases
Download the latest .dmg from Releases and drag to Applications.
Get the latest .dmg
Tip: Open with 'Gatekeeper Allowed Apps' or right-click → Open if needed.
📄 License

Dual-license model

Encouraging open collaboration while protecting specific IP.

Core Application
MIT License

UI, formatting, diffing, and other core utilities are under MIT.

Commercial use allowed
Modification allowed
View MIT License
Client-side AI Components
CC BY-NC-ND 4.0

Open for transparency, but with non-commercial and no-derivatives restrictions.

✅ View & share | ❌ Modify | ❌ Commercial use
Read License Details
Backend AI Service
Proprietary

The backend AI remains closed-source to maintain service quality and sustainability.

We aim to provide a free tier for core AI functionalities.

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