Data Formulator vs JSON Crack
A data-driven comparison of two Data visualization apps & tools: popularity, development activity, licensing and installation. Updated .
Data FormulatorAI-assisted tool for transforming data and creating visualizations, from Microsoft Research.
JSON CrackVisualizes JSON, YAML, XML and CSV data as interactive graphs.
Key differences
- JSON Crack has 2.5× as many GitHub stars as Data Formulator (44.5K vs 17.5K).
- Data Formulator had more development activity over the last 12 months: 930 commits vs 110.
- Data Formulator is licensed under MIT; JSON Crack under Apache-2.0.
- Data Formulator is written primarily in Python, JSON Crack in TypeScript.
- JSON Crack is the older project: its repository was created in 2022, Data Formulator's in 2024.
By the numbers
- Data Formulator
- JSON Crack
Show data as a table
| Metric | Data Formulator | JSON Crack |
|---|---|---|
| GitHub stars | 17,525 | 44,476 |
| Commits, last 12 months | 930 | 110 |
| Contributors | 36 | 38 |
| Forks | 1,726 | 3,570 |
Development activity
Commits per month to each default branch, last 12 complete months.
- Data Formulator
- JSON Crack
Show data as a table
| Month | Data Formulator | JSON Crack |
|---|---|---|
| Oct 2025 | 40 | 2 |
| Nov 2025 | 42 | 0 |
| Dec 2025 | 48 | 9 |
| Jan 2026 | 38 | 1 |
| Feb 2026 | 129 | 24 |
| Mar 2026 | 146 | 30 |
| Apr 2026 | 231 | 33 |
| May 2026 | 136 | 1 |
| Jun 2026 | 22 | 1 |
| Jul 2026 | 66 | 0 |
| Aug 2026 | 32 | 6 |
| Sep 2026 | 0 | 3 |
Side by side
| Attribute | Data Formulator | JSON Crack |
|---|---|---|
| Description | AI-assisted tool for transforming data and creating visualizations, from Microsoft Research. | Visualizes JSON, YAML, XML and CSV data as interactive graphs. |
| Category | Data visualization apps & tools | Data visualization apps & tools |
| License | MIT | Apache-2.0 |
| Language | Python | TypeScript |
| Status | Active | Active |
| Latest release | 0.8b1 () | v5.0.0 () |
| Last commit | ||
| Repository created | ||
| Open issues | 54 | 31 |
| Install | pip install data-formulator | – |
Which should you choose?
Popularity and activity are only part of the story. Consider which ecosystem you work in, the chart types and interactions you need, how much data you render, and whether the license fits your project. Both tool pages list alternatives if neither is quite right.
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Data Formulator
AI-assisted tool for transforming data and creating visualizations, from Microsoft Research.
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JSON Crack
Visualizes JSON, YAML, XML and CSV data as interactive graphs.