Launched March 12, 2024
JSON Crack
Visualize Instantly into Graphs
FreeChartsOpen SourceVisual editing13,724 impressions#6 of its week
✨ Innovative and open-source visualization tool that transforms various data formats, such as JSON, YAML, XML, CSV and more, into interactive graphs.
JSON Crack is an open-source online tool that visualizes JSON, YAML, CSV and XML as interactive graphs and trees.
- for
- Developers, data analysts and anyone working with structured data formats
- pricing
- free
- license
- Apache-2.0
- v5.0.07 months ago
- v5.0.0-beta.1a year ago
- v4.0.0a year ago
works withVS Code extensionJSONYAMLCSVXML
Key features
6 features of JSON Crack
- Live visual graph — Transforms uploaded or typed data into an interactive tree or graph view instantly
- Multi-format support — Handles JSON, YAML, CSV and XML for visualization and conversion
- Export images — Download visualizations as PNG, JPEG or SVG files
- Formatter & validator — Beautify and validate JSON, YAML and CSV data
- Code generation — Generate TypeScript interfaces, Go structs, Rust serde and JSON Schema
- Advanced tools — Decode JWT, run jq queries and apply JSONPath commands
Use cases
- Debug complex API responses by visualizing nested JSON structures
- Convert legacy CSV data to JSON for modern web apps
- Generate TypeScript types directly from sample JSON payloads
- Create shareable diagram images of data models for documentation
JSON Crack vs alternatives
 JSON Crack |  DataLine |  Impler |  Firecamp | |
|---|---|---|---|---|
| Best for | Interactive visual JSON/YAML/XML viewer | General data analysis and visualization | CSV and Excel import UI components | API request testing and debugging |
| Pricing | Free | Free | Subscription | Free |
| DevHunt upvotes | 12 | 41 | 77 | 48 |
| Launched | Mar 2024 | Aug 2024 | Apr 2024 | Jan 2023 |
- JSON Crack vs DataLine: Focuses on data analysis and visualization across many sources, not just JSON structures
- JSON Crack vs Impler: Provides ready-made CSV/Excel import widgets rather than visual graphing
- JSON Crack vs Firecamp: API testing tool similar to Postman, not a visualizer for data formats
JSON Crack FAQ
What is JSON Crack and what does it do?+
It is an online viewer that visualizes and analyzes JSON, YAML, CSV, XML and other formats as interactive graphs and tree views.
Is JSON Crack free?+
Yes, it is a free-forever open source tool; premium features are offered via ToDiagram.com.
Is my data secure?+
All processing happens in the browser; no data is sent to the server.
Can I export the generated graphs?+
Yes, graphs can be exported as PNG, JPEG, or SVG files.
Does JSON Crack support data conversion?+
Yes, it can convert between JSON, YAML, XML and CSV.
Summarized by DevHunt from jsoncrack.com · Sep 27, 2026. Details may change; check the official site.
