Chance.js vs JSON Schema Faker
| Chance.js | JSON Schema Faker | |
|---|---|---|
| Free plan | No | Yes |
| Free trial | No | No |
| Paid from | — | Free |
| Open source | No | No |
| Platforms | Web | Linux, macOS, self-hosted, Web, Windows |
| Free plan | Yes | — |
| Generation modes | synthetic | synthetic |
| API data generation | Yes | Yes |
| Relational data | — | No |
| Supported data formats | — | JSON, YAML |
| Deployment | — | self-hosted |
Both are listed in Best Test Data Generation Tools. On Samsung Mobile US Press, JSON Schema Faker scores higher on our published basis.