Generate data.
Build without limits.
Create realistic synthetic datasets for APIs, databases, analytics, and machine learning — in seconds. Mathematically sound relational trees with zero dangling foreign keys.
10,000,000+ records synthesized daily across 45,000 engineering teams.
<15ms
Generation Latency
0 Bytes
Sent to Remote Servers
Engineered for structural accuracy, not just lorem ipsum.
Realistic Domain Data
350+ context-aware generator nodes: street addresses validated by real postal algorithms, medical ICD-10 codes, IBAN checksums, and realistic email domains.
Relational Integrity
Multi-table schemas preserving exact 1:1, 1:N, and N:M foreign key constraints. Generates coherent parents, children, and polymorphic links without orphaned records.
Statistical Distributions
Simulate the real world with Gaussian, Poisson, Pareto, and Weibull curves. Control categorical weightings, temporal clustering, and synthetic fraud outliers.
Instant API Mocking
Turn any synthetic schema into an ephemeral HTTPS mock endpoint in one click. Configurable network latency, pagination headers, and failure rate injection.
Multi-Format Pipeline
Streaming export directly to nested JSON, RFC-4180 CSV, Apache Parquet, DuckDB, or idempotent SQL COPY statements ready to pipe into psql or pgAdmin.
Local & Private by Design
Powered by Rust compiled to WebAssembly. Generation executes 100% inside your browser's dedicated thread sandbox. PII compliance is mathematically guaranteed.
Curated Industry Blueprints
Production-grade starting points
SaaS Subscription & Billing Lifecycle
Organizations, users, stripe customer IDs, monthly recurring subscriptions, churn events, and invoice line items with calculated tax rates.
Omnichannel E-Commerce Marketplace
Customer graph, product SKU catalog with tiered variants, multi-item shopping baskets, shipment tracking logs, and promo discount codes.
Clinical Trials & Electronic Health Records
HIPAA-safe synthetic cohorts, baseline vitals, randomized double-blind trial arms, daily biometric sensor logs, and adverse event coding.
High-Frequency Market Depth & Ticks
L2 Order book state, synchronized bid/ask spreads, trade executions with Poisson arrival times, and geometric Brownian motion price paths.
Built for your specific stack
For Software Engineers
Seed local Docker databases with tens of thousands of coherent rows before push. Mock third-party webhooks and run headless Cypress or Playwright integration tests without brittle staging fixtures.
- check_circlePostgreSQL & MySQL idempotent seeders
- check_circleGitHub Actions CI/CD cacheable CLI
For Data Analysts
Construct prototype Looker, Tableau, and Metabase reporting dashboards weeks before backend engineers finish production ingestion pipelines. Validate queries and edge cases upfront.
- check_circleDuckDB & BigQuery schema mapping
- check_circleCustom seasonal trend injection
For AI Engineers
Generate large synthetic datasets for embedding validation, fine-tuning LLMs, and stress-testing RAG pipelines with adversarial boundary values and balanced class distributions.
- check_circleToken-efficient JSON Lines format
- check_circleAdversarial prompt generation
Free Developer Utilities
Stand-alone micro-tools running client-side with zero latency.
JSON Formatter
Beautify & lint invalid payloads
JSON to TypeScript
Generate strict TS & Zod models
CSV to JSON Engine
Type-inferred relational mapping
SQL DDL to Seeder
Paste CREATE TABLE, get data
Mock API Sandbox
Ephemeral HTTP response server
Dataset Bias Checker
Entropy & distribution balance
Regex to Generator
Synthesize matching pattern strings
CLI & Actions Runner
Automated pipelines for Docker
Need petabyte-scale synthetic pipes?
DataForge Community is 100% free and open-spec. For custom air-gapped AWS GovCloud / Azure VPC deployments, multi-region seeding, and dedicated compliance SLAs, explore our Enterprise plans.