
Open large JSON files on Mac without your machine choking
JSONaire is a native macOS app for opening and browsing huge JSON files, the kind that make Chrome DevTools, VS Code, or Electron viewers hang or crash. It memory-maps files instead of loading them into RAM, so a 4GB document opens in milliseconds and stays smooth at any depth. Includes native window tabs, fast search, copy in any format, and a table view for object arrays. Free up to 100MB, Pro unlocks unlimited size and all themes.
JSONaire is a native macOS application designed for efficiently opening and browsing large JSON files without crashing. It utilizes memory-mapping technology to handle files up to 4GB quickly, with a free version available for files up to 100MB and a Pro version for unlimited size.
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