Background
v1.0.0 Now Available

Synthetic Data,
Constraint-Safe.

Stop wrestling with broken foreign keys. Aphelion intelligently introspects your PostgreSQL schema and generates realistic, reproducible test data that actually respects your constraints.

Start for Free
$ npm install -g @aphelion/data-generator

Why Developers Love Aphelion

Built by data engineers who were tired of maintaining complex SQL seed scripts.

Constraint Safe

Never worry about foreign key violations again. Aphelion builds a topological dependency graph of your schema.

HIPAA-Compliant Masking

Automatically mask PII for healthcare and finance. SSN: ***-**-1234, Email: j***@example.com

Realistic Distributions

Power-law, normal, and weighted distributions match real-world patterns. Perfect for benchmarking.

Temporal Constraints

Ensures dates make sense across tables. Bookings before flights, appointments after registration.

Multi-Tenant Ready

Shard keys and tenant isolation for SaaS applications with realistic data skew.

Rich Content

Generate Markdown, code snippets, and formatted text for social platforms and forums.

Built for Your Industry

Production-ready solutions for every use case

🏢

Enterprise

68+ tables, multi-schema, CHECK constraints, XML

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📊

Benchmarks

TPC-H, IMDB JOB, realistic distributions

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🏥

Healthcare

HIPAA-compliant, PII masking, multi-tenant

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💬

Social Platforms

Rich content, code snippets, reputation systems

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💳

Financial Services

PCI-DSS, SOX compliance, fraud detection

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🚀

SaaS & Startups

CI/CD integration, rapid iteration, zero config

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Works With Your Existing Schema

No configuration needed to start. We introspect your database, detect types, and map them to realistic Faker generators automatically.

  • Smart Type Detection Maps `user_email` to `internet.email` automatically
  • Zero Config Start Just point it at your DB URL and go
  • JSON Export Export layout to JSON for fine-tuning
bash — 80x24
➜ ~ aphelion introspect postgres://localhost/myapp
> Connected to database 'myapp'
> Found 14 tables
> Detected 3 circular dependencies
> Generating schema map... Done
➜ ~ aphelion generate --rows 1000 --seed 42
> Generating data plan
> Phase 1: Base tables (users, products)...
> Phase 2: Dependent tables (orders, items)...
> Phase 3: Resolving circular refs...
> Successfully generated 14,000 rows in 1.2s

Simple, Transparent Pricing

Start free, upgrade for enterprise-scale features.

Developer

$0/mo

Perfect for side projects and local development.

  • Unlimited Tables
  • 1,000 Rows per Table
  • Basic CLI Usage
Download CLI
POPULAR

Pro Team

$49/mo

For teams automating CI/CD pipelines.

  • Unlimited Rows
  • CI/CD Auto-Approve Mode
  • Priority Support
  • Advanced Custom Generators

Secure payment via Stripe

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