Fast JSON Formatter
Format, validate, query JSON
Only for Mac
Free
Mac
Format, validate, and query JSON fast. Pretty-print or minify, JMESPath search, syntax highlighting, and error tips. Data stays on your device.
JSON Formatter is a fast, privacy‑first toolkit for reading, validating, and transforming JSON on iPhone, iPad, and Mac. Paste or open JSON to instantly pretty‑print or minify, catch syntax errors, and explore data with JMESPath queries. Built for speed and clarity, everything runs on‑device so you can work confidently anywhere.
Key Features
- Pretty‑print and minify JSON with instant formatting
- Validate structure and highlight errors with helpful tips
- Search and filter using JMESPath queries
- Syntax highlighting for readable, color‑coded JSON
- Quick copy, share, and export options
- Keyboard shortcuts and dark mode for focused workflows
- Works offline; data never leaves your device
Privacy & Performance
- All processing happens locally; no accounts, no tracking.
- Optimized for Mac to deliver a smooth, responsive experience.
Ratings & Reviews
This app has not received enough ratings or reviews to display an overview.
The developer, 论 李, 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 Not Collected
The developer does not collect any data from this app.
Accessibility
The developer has not yet indicated which accessibility features this app supports. Learn More
Information
- Provider
- 论 李
- Size
- 3.9 MB
- Category
- Utilities
- Compatibility
Requires macOS 14.6 or later.
- Mac
Requires macOS 14.6 or later.
- Languages
- English
- Age Rating
4+
- 4+
- Copyright
- © @LUNLI