JSONCraftEdit - Json formatter
JSON Auto-Repair, Format, Gen
USD 1.99 · Designed for iPad. Not verified for macOS.
JSON Formatter & Editor – Supports real-time syntax validation, smart error correction, auto-fix, and one‑click formatting. Automatically generates model code 6 languages
JSONCraftEdit – Your JSON Editing & Formatting Assistant
A JSON formatter and editor that supports real‑time syntax validation, smart error correction, auto‑fix, and one‑click formatting. Automatically generates model code in 6 languages (Swift, Java, Python, etc.) while protecting your data privacy.
Designed for developers, data analysts, DevOps engineers, and QA testers – providing a clean, efficient, and secure JSON processing experience.
Core Features
▸ Real‑time editing & validation
Syntax highlighting for clear readability
Real‑time JSON syntax validation – catch errors instantly
Precise error location to speed up fixing
▸ Smart error correction & auto‑fix
Automatically detects and fixes 12 common format errors
Converts Chinese punctuation to English punctuation
Removes trailing commas, adds missing quotes
Offers both conservative and aggressive correction modes
▸ Formatting & minification
One‑click beautify JSON with 2‑space, 4‑space, or Tab indentation
Quickly compress into minimal format
Automatically sort object keys alphabetically
▸ Model code generation
Supports Swift, Java, Kotlin, Python, C#, and Go
Automatically identifies data types and nested structures
One‑click copy generated code
▸ File management
Import / export JSON files
Auto‑save drafts to prevent data loss
History management for quick recovery of previous content
▸ Privacy & security
Runs completely offline – no data is ever uploaded
All data stays only on your local device
No user information collection, no behaviour tracking
▸ Customisation
Three themes: Dark, Light, or Follow System
Adjustable font size (10–24 pt)
Flexible indentation settings
Use cases
API debugging and testing
JSON data formatting and beautifying
Rapid data model code generation
Configuration file editing
Data analysis and processing
Why choose JSONCraftEdit?
Powerful JSON editing, error correction, and auto‑fix capabilities
Fully offline operation – privacy protected
Clean and elegant interface design
Smooth native iOS experience
Continuous updates and improvements
Download now – the powerful JSON editing & formatting tool!
Ratings & Reviews
- This app has not received enough ratings or reviews to display an overview.
The developer, 小燕 陈, indicated that the app’s privacy practices may include handling of data as described below. For more information, see the developer’s privacy policy .
Data Not Collected
The developer does not collect any data from this app.
Accessibility
The developer has not yet indicated which accessibility features this app supports. Learn More
Information
- Seller
- 小燕 陈
- Size
- 8.2 MB
- Category
- Developer Tools
- Compatibility
Requires iOS 18.6 or later.
- iPhone
Requires iOS 18.6 or later. - iPad
Requires iPadOS 18.6 or later. - Mac
Requires macOS 15.6 or later and a Mac with Apple M1 chip or later. - Apple Vision
Requires visionOS 2.6 or later.
- iPhone
- Languages
- English and Simplified Chinese
- Age Rating
4+
- 4+
- Copyright
- © 2026 JSONCraftEdit.

