JSON Assistant
A powerful macOS application designed for developers who work with JSON daily. Format and beautify messy JSON, validate syntax instantly, organize snippets in collections, convert between JSON and other formats, and quickly search through your saved snippets.
Cost / License
- Free
- Proprietary
Platforms
- Mac
Features
Properties
- Lightweight
- Privacy focused
Features
- Ad-free
- Syntax Highlighting
- No registration required
- Works Offline
- Full-Text Search
- No Tracking
- Code Snippets
Tags
- JSON Formatting
- beautifier
- JSON Editor
- JSON Validator
JSON Assistant News & Activities
Recent activities
protmaks added JSON Assistant as alternative to Alljson
POX added JSON Assistant as alternative to JSON Crack, JSON Sage, Boop and 10015.io- POX added JSON Assistant
JSON Assistant information
Developed by
CoffeeDevs LLC Licensing
Proprietary and Free product.Alternatives
29 alternatives listedSupported Languages
- English
What is JSON Assistant?
Beautiful JSON viewer/formatter for macOS. Paste or drop a file, beautify, explore the tree, and save snippets. Everything stays on-device for speed and privacy.
JSON Assistant is a fast, privacy-first JSON viewer and formatter for iOS and macOS.
Paste JSON, drop a file, or open from Share Sheet—then pretty-print, explore the tree, and save your snippets.
The UI uses a warm, high-contrast sepia theme that’s easy on the eyes without sacrificing legibility.
Why developers love it
• Instant Beautify and Compact views • Clean tree explorer with Collapse/Expand All • Raw ? Formatted side-by-side comparison. • Saved snippets with names, timestamps, and quick delete • Syntax highlighting tuned for readability • On-device processing (no network) for speed & privacy
Great for
• Webhooks & API payloads. • Server logs and debug output • Inspecting large objects from the clipboard or files
Details
• Pretty-print and compact toggles • Date/time stamps on saved entries • Keyboard shortcuts • Works offline; no account required
Privacy
All parsing happens on device. We do not collect your data.
