JSON Tools - View Edit

Pro JSON editor for devs

Only for iPhone

Free · In-App Purchases · Designed for iPhone. Not verified for macOS.

iPhone

Tree view, diff, validation, mock data, and Dart model generation in one fast tool—built by developers, for developers. JSON Tools is a fast, modern JSON workbench built for developers who live inside APIs. WHAT YOU CAN DO • Explore large JSON files in tree or raw view with collapsible nodes • Edit with line-numbered syntax highlighting, Undo/Redo, and smart indent • Catch errors as you type with instant JSON validation and clear messages • Compare two JSON documents line by line with the diff engine • Generate strongly-typed Dart model classes in one tap • Spin up realistic mock data for unit tests in seconds • Visualize structure as a connected graph with Graph View BUILT FOR Flutter / Dart developers, backend engineers, QA engineers, and anyone who wrestles with JSON every day. EXPERIENCE Personalized Light and Dark themes, smooth animations, and an ad-free Premium option for focused work. Take control of your JSON—download JSON Tools now.

  • This app has not received enough ratings or reviews to display an overview.

What's new • Smoother editing experience with faster response and better stability • Streamlined in-app purchase and entitlement verification flow • Performance and memory footprint improvements • Minor bug fixes

The developer, OKAN KAYCI, 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 Used to Track You

    The following data may be used to track you across apps and websites owned by other companies:

    • Usage Data
  • Data Linked to You

    The following data may be collected and linked to your identity:

    • Usage Data

Privacy practices may vary based, for example, on the features you use or your age. Learn More

The developer has not yet indicated which accessibility features this app supports. Learn More

Provider
  • OKAN KAYCI
Size
  • 31.7 MB
Category
  • Developer Tools
Compatibility
Requires iOS 15.0 or later.
  • iPhone
    Requires iOS 15.0 or later.
  • iPod touch
    Requires iOS 15.0 or later.
  • Mac
    Requires macOS 12.0 or later and a Mac with Apple M1 chip or later.
  • Apple Vision
    Requires visionOS 1.0 or later.
Languages
  • English
Age Rating
4+
In-App Purchases
Yes
Copyright
  • © Pixelflow 2025