Your data stays on your Mac
Documents and version history are stored locally. Edit and query without cloud uploads. No account needed, even offline.
HiJSON
A JSON and text editor for Mac
Keep your data on your Mac, with no cloud uploads needed. See every change and work with data using familiar JavaScript syntax.
Get HiJSONmacOS 14+ Apple Silicon & Intel
See every change at a glance
Your edits save automatically. Revisit earlier versions and compare them side by side to see exactly what changed.
Work with data using JavaScript
Query, filter, and transform data with familiar JavaScript syntax. Preview results without changing the original.
Validate and format JSON
Syntax highlighting, JSON validation, formatting, and minification. Large integers, key order, and escape sequences stay intact.
Frequently asked questions
Do I need an account or internet connection?
No. Editing, queries, and document management work locally. Documents and version history stay on your Mac.
Which Macs are supported?
HiJSON runs on macOS 14 and later, with separate builds for Apple Silicon and Intel Macs.
Can I change the appearance and editor font?
Yes. Choose light, dark, or system appearance, and customize your editor theme, font, font size, and indentation. The app supports English and Chinese.
How do I back up my documents?
You can export individual documents. To back up your whole library, quit HiJSON and copy the complete Application Support/Bracey folder, including both the database and its content directory.
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HiJSON for Mac
Local storage, clear version history, and JavaScript data tools.