AppMarketSpy › Developer Tools › JSON Master
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App info
- Developer
- Volodymyr Sichka
- Category
- Developer Tools, Utilities
- Released
- Aug 18, 2026
- Version
- 1.0 (Aug 20, 2026)
- Price
- Free
- Size
- 2.8 MB
- Requires
- iOS 18.0
- Age rating
- 4+
- Languages
- EN
In-app purchases
not checked yetCurrent prices, App Store US.
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About JSON Master
JSON Master is a JSON viewer and editor for the things you actually do all day: find the value, copy its path, copy the branch, and work out what a field really contains. Every document is shown two ways, as a tree and as coloured source, and both are the same file. WHAT MAKES IT DIFFERENT - Every path is ready to paste, in whichever form you need it: dot, JSONPath, brackets, jq, Swift or JSON Pointer - The inspector explains what a value really is: Unix timestamps as dates, JWT tokens decoded, base64, ISO dates, string length, integers beyond 2^53, duplicate keys - Expand embedded JSON, the escaped string every webhook and log line contains, unwrapped in place - Syntax colour that holds even when the document does not parse, which is exactly when it helps - An untouched file is saved byte for byte as it arrived, and a broken one still opens with the line and column of the error ALSO…
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