Mock Data Generators › generatedata.com alternative
Free generatedata.com Alternative

A free generatedata.com alternative with relational tables

generatedata.com is a classic, but it generates a single flat table. If you need multiple related tables with valid foreign keys, here's a free alternative.

Generate relational mock data →All generators

How it compares

FeatureStellageneratedata.com
Multiple related tablesYesSingle table
Foreign keysYesNo
DeterministicYesLimited
FormatsCSV, JSON, SQL, SQLiteCSV, JSON, SQL, XML

Comparison reflects each tool’s free offering at the time of writing; check the vendor for current details.

Frequently asked questions

Is it free?

Yes — no signup.

Can I build multiple linked tables?

Yes, with real foreign keys and rollups.

Need 100k+ rows, an API, or no limits?

Join the Pro waitlist — bulk generation, JSON/SQL/Excel export, and a developer API for generating data on demand.