| What it does | Fast, browser-based JSON viewer, formatter, validator and converter that runs entirely client-side
| Monitor coding agents from your Mac's notch and get notified when they need you
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| Stage | Not given
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| Based in | Not given
| DK
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| Pricing model | Free
| Paid
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| Pricing | Not given
| €19 one-time personal licence with one year of updates, then €9/year for additional updates. Team plans: €75/year for 5 Macs (€15 per Mac), €140/year for 10 Macs (€14 per Mac), €300/year for 25 Macs (€12 per Mac). 7-day free trial.
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| Key features | - View JSON in tree, code, and text modes
- Format and beautify unreadable JSON
- Validate JSON and catch syntax errors
- Minify JSON to reduce payload size
- Convert JSON to CSV, Excel, YAML, and XML
- Decode JWT tokens and inspect claims
- Generate UUIDs and encode or decode Base64 data
- Compare and diff JSON structures
- Sort, search and transform JSON data
- All processing runs 100% client-side in browser
| - Monitor multiple coding agents with status indicators (working, done, waiting)
- Approve or deny agent requests directly from the notch without leaving your workflow
- Jump to the exact terminal tab or editor window where an agent is running
- Answer agent questions directly from the notch for supported agents
- Smart notifications that respect Focus modes, Zoom calls and screen sharing
- Display model costs and context window usage for each agent run
- Connect to agents running on remote Linux servers over SSH
- Support for custom agents via JSON webhook
- Keyboard shortcuts for common actions (⌘Y to allow, ⌘N to deny)
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| What makes it different | - Privacy-first: all processing runs client-side with no server uploads, storage or logging
- No installation or signup required; works directly in modern web browsers
- Side-by-side input and output view for easy comparison and debugging
- Comprehensive toolset covering viewing, formatting, validation, conversion and comparison in one place
- Works on desktop and mobile browsers without any setup time
| - Works with 30+ coding agents out of the box, all monitored in one place
- Answer agent requests without context-switching, directly from the notch
- Notifications that respect your Focus, calls and screen sharing to stay distraction-free
- One-time personal licence with ongoing free updates for a year, then optional €9/year
- No telemetry, no account required, and all sessions stay on your Mac
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| Free plan | Not given
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| Open source | Not given
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| Platforms | Not given
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| Public API | Not given
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| Community votes | 0 | 0 |
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| DR (Domain Rating by Ahrefs) | 9 ▲ +2 (up) since last check | Not checked yet ● no change since last check |
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| Trust Flow (Majestic) | 7 | 0 |
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| Citation Flow (Majestic) | 30 | 0 |
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| Referring domains (Majestic) | 48 | 0 |
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JSONViewerTool
Gnista