DDLData

Stop Copying Production Data into Dev.

Generate realistic test data from your schema instantly.

No PII, no security review, no DevOps tickets.

PostgreSQL
MySQL
SQLite
No signup requiredNo API key needed10 free generations left
schema.sql
Editable
response.json

Click "Generate Test Data" to see the magic

Edit the schema or use the example — it's all free

Auto-detects foreign keysReferential integrityMulti-table support

Like what you see?

Get 50,000 free rows per month.

No credit card required

PostgreSQL & MySQL compatible
REST API
Foreign key support
Milliseconds, not seconds
Story Mode

AI-Generated Coherent Data

Transform your schema with AI based on a custom prompt — preserving types, constraints, and relationships while creating contextually coherent, realistic data.

Describe your users table

Write a prompt describing the user data you want (14 columns: name, email, company, job title, etc.)

5 free/day
  • Referential integrity across tables
  • Contextual values (tech companies get tech employees)
  • Realistic distributions and edge cases
Story Mode Output

Enter a prompt and click "Generate with AI" to see Story Mode in action

Built for Developers

From quick tests to production-scale seeding

Database Seeding

Populate dev and staging environments with realistic data. Export as SQL INSERT statements ready to run.

Unit & Integration Tests

Generate test fixtures on-demand via API. No more maintaining stale JSON files or copying production data.

Demo Environments

Create compelling demo data for sales teams. Story Mode ensures the data tells a coherent story.

Simple, Transparent Pricing

Start free, scale as you grow

MonthlyAnnualSave 17%

Free

$0forever
  • 50,000 rows/month
  • 1,000 Story Mode rows/month
  • All data types supported
Get Started
14-Day Free Trial

Developer

$9/month
  • 250,000 rows/month
  • 25,000 Story Mode rows/month
  • Custom prompts
  • Schema storage
Start Free Trial
Most Popular

Team

$29/month
  • 1,000,000 rows/month
  • 100,000 Story Mode rows/month
  • DB seeding
  • Priority support
Subscribe Now

Scale

$79/month
  • 5,000,000 rows/month
  • 500,000 Story Mode rows/month
  • Dedicated Slack channel
  • SLA guarantee
Subscribe Now

Need more? View Enterprise pricing

Ready to stop copying prod?

Generate realistic test data without the security headache.

DDL to Data - Stop Copying Production Data Into Dev