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
Not given
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
Extract financial statements as structured data
Track insider transactions and holdings from Form 4
Track institutional holdings from 13F filings
Verify quotes and figures with direct sec.gov links
Search private offerings via Form D
New filings appear within minutes of SEC acceptance
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
Verification tools that return highlighted passages in original sec.gov filings
Real-time data updated within minutes of SEC filing acceptance
Completely free with no sign-up or API key required
Works with multiple AI assistants: Claude, ChatGPT, Codex and Cursor
Parses insider transactions and institutional holdings as structured data
JSON Viewer