The Open Source Declarative Data Generator

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The Open SourceData Generator

Synth is an open source data-as-code tool that provides a simple CLI workflow for generating consistent data in a scalable way.

Synth encodes dataset constraints, relationships and business logic into declarative configuration files.

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What you can do with Synth

Anonymize

Anonymize sensitive production data.

Use Synth to generate correct, anonymized data that looks and quacks like production.

Seed

Seed development and environments and CI

Generate test data fixtures for your development, testing and continuous integration.

Synthesize

Create realistic data to your specifications

Generate data that tells the story you want to tell. Specify constraints, relations and all your semantics.

A versatile API for all types of data

Generate a stock prices time series

Run

{
  "type": "object",
  "timestamp": {
    "type": "string",
    "date_time": {
      "format": "%Y-%m-%dT%H:%M:%S",
      "subtype": "naive_date_time",
      "begin": "2020-06-07T12:00:00"
    }
  },
  "px_last": {
    "type": "number",
    "range": {
      "low": 60,
      "high": 80,
      "step": 0.1
    }
  },
  "volume": {
    "type": "number",
    "range": {
      "low": 1000,
      "high": 10000,
      "step": 1
    }
  }
}

Time series data

Relational data

Event logs data

Test against better data in less time

Data as Code

Synth uses a declarative configuration language that allows you to specify your entire data model as code.

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Easy Imports

Synth can import data straight from existing sources and automatically create accurate and versatile data models.

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Database Agnostic

Synth supports semi-structured data and is database agnostic - playing nicely with SQL and NoSQL databases.