Free 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
$199 one-time for 1 n8n node with 3 build jobs, automatic node generation, GitHub integration and priority support. $359 one-time for everything in the $199 plan plus built and tested by team with no engineering time required and automatic updates when API changes.
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
Automatic n8n node generation from OpenAPI specification
GitHub and npm integration for publishing
Live preview of node in n8n editor
Customizable node resources and operations
Automatic updates when API changes
Build job-based generation runs
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
No engineering required—your team doesn't build the integration from scratch
Keeps integration in sync with API changes automatically
Works behind the scenes—customers see only your n8n integration
One-time payment with no subscription or recurring fees
Publish directly from your own GitHub with one-click releases
JSON Viewer
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