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JSON Viewer vs Gnista

A side-by-side comparison built from both listings. Blank cells mean the company has not given that detail; we never guess.

JSON Viewer compared with Gnista
DetailJSON Viewer logo JSON ViewerGnista logo Gnista
What it doesTransform JSON into Visual Graphs Monitor coding agents from your Mac's notch and get notified when they need you
StageNot given Not given
FoundedNot given Not given
Based inNot given DK
Pricing modelFreemium Paid
PricingFree plan includes upload and process small files, Chrome/VS Code extension, unlimited downloads, and visualization with tables and charts. Pro plan costs $2.49/month (monthly) or is available yearly, includes ad-free experience, compare and analyze data, edit JSON from diagrams, unlimited diagrams €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.
Key features
  • Interactive tree view with expand/collapse and color-coded syntax highlighting
  • Side-by-side JSON comparison with visual diff viewer
  • AI-powered JSON diagram generation from natural language
  • Convert JSON data into dynamic charts and graphs
  • Chrome extension for instant visualization on any webpage
  • Multi-format support for YAML, XML, CSV, TOML, TOON and Mermaid
  • REST API client with diagram visualization of responses
  • Customizable themes and multi-node color customization
  • Export diagrams as images and download graphs
  • 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)
What makes it different
  • Supports 6+ data formats including JSON, YAML, XML, CSV, TOML and TOON in one tool
  • AI-powered assistant to generate and transform JSON using natural language commands
  • Chrome and VS Code extensions for seamless workflow integration
  • Privacy-first design with data stored only upon manual upload
  • Native mobile apps for Android and iOS for on-the-go visualization
  • 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
Free planNot given Not given
Open sourceNot given Not given
PlatformsNot given Not given
Public APINot given Not given
Community votes00
DR (Domain Rating by Ahrefs)18 −1 (down) since last checkNot checked yet no change since last check
Trust Flow (Majestic)90
Citation Flow (Majestic)260
Referring domains (Majestic)1300

5 details filled in for both companies.

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