MasterStruct: JSON Toolkit

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Everyone
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Content rating
Everyone
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About this app

JSON MasterStruct is your mobile powerhouse for working with structured data. Whether you're debugging APIs, modeling classes, or prepping data for export, this app gives you fast, clean, and versatile tools - right from your phone.
🔧 Features Include:
✅ Beautify JSON: Color-coded formatting with line numbers for clarity.
✅ Tree View: Explore nested structures in an interactive tree.
✅ Class Generator: Create C# class definitions from your JSON.
✅ Data Randomizer: Generate multiple randomized JSON copies for testing.
✅ CSV/TSV Export: Convert flat JSON arrays into clean spreadsheet-ready files.
⭐ Copy/Share: Every result is ready to use.
⭐ Dark/Bright Themes: Choose your preferred UI mode.
Built for developers, testers, and data wranglers who need speed, precision, and portability.
Beautify JSON, explore structure, generate classes, randomize data & export CSV.
Updated on
Oct 4, 2025
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Data safety

Safety starts with understanding how developers collect and share your data. Data privacy and security practices may vary based on your use, region, and age. The developer provided this information and may update it over time.
  • This app may share these data types with third parties
    Location, App activity and 2 others
  • No data collected
    Learn more about how developers declare collection
  • Data is encrypted in transit