Design your table. AI fills the data.
Stop wasting hours on mock data. Define your columns, describe what you need, and let AI generate realistic, structured datasets in seconds.
| # | Name | Role | Salary | Active | |
|---|---|---|---|---|---|
| 1 | Aria Chen | aria.chen@techcorp.io | Senior Engineer | $142,000 | true |
| 2 | Marcus Webb | m.webb@startup.co | Product Manager | $118,500 | true |
| 3 | Sofia Rao | sofia@cloudbase.dev | Data Scientist | $135,000 | false |
| 4 | Jordan Blake | j.blake@devhub.io | Backend Lead | $158,000 | true |
How it works
Three steps from idea to dataset
Define your schema
Add columns with names, data types, and natural language descriptions. Use a template or start from scratch.
AI generates data
Click Generate. Our AI builds realistic, contextually accurate rows based on exactly what you described.
Edit & export
Edit any cell inline, regenerate specific rows or columns, then export as CSV, JSON, Excel, SQL and more.
Everything you need
Built for developers, PMs, and content creators
Visual Schema Builder
Define columns with names, types, and natural language descriptions. 10+ data types supported.
AI-Powered Generation
GPT-4o-mini generates realistic, context-aware data that actually makes sense for your use case.
Smart Regeneration
Not happy with a row or column? Regenerate it individually without touching the rest.
Inline Editing
Click any cell to edit. Your table, your data. Perfect for fine-tuning AI output.
6 Export Formats
CSV, JSON, Excel, SQL INSERT, JSON Array, Markdown table. Developer-first exports.
Schema Templates
Start instantly with prebuilt templates for e-commerce, CRM leads, recipes, blog posts, and more.
Start generating in 30 seconds
No account required. No credit card. Just define your schema and generate.
Try GenTable AI FreeGenerate up to 50 rows · 6 export formats · Forever free