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SynthForge IO
What it is
SynthForge IO creates synthetic data from database schemas for development, QA, and load testing. You can define a schema in plain English, use a visual editor, import SQL DDL, or start with a template. Its generators cover 152 field types across 19 categories, with options for constraints, statistical distributions, and conditional overrides. Generation respects table dependencies and keeps child foreign keys linked to existing parent rows. Outputs include CSV, SQL for PostgreSQL, MySQL, SQL Server, SQLite, MariaDB, DuckDB, and CockroachDB, plus JSON, JSONL, and Parquet. MongoDB-ready data is available in JSON or JSONL. The web app and API are available, with personal API keys for jobs from curl, Python, or the CLI. Hosted MCP is in open beta for Claude, Cursor, and Streamable HTTP MCP clients. The free plan includes the first 20,000 rows of each dataset in the web app and browser-approved MCP. Generation is capped at 1,000,000 rows per table and downloads at 1 GB. Paid credits start at $5.00 per once.
For and against
For
- Accepts plain-English, visual, SQL DDL, and template schemas
- Maintains foreign-key relationships across dependent tables
- Exports CSV, SQL, JSON, JSONL, and Parquet
- Offers API access with personal Bearer-token keys
Against
- Free web and MCP allowance covers 20,000 rows per dataset
- Generation is capped at 1,000,000 rows per table
- Downloads are limited to 1 GB
- AI features may send schema descriptions to third-party providers
The verdict
SynthForge IO combines several ways to define schemas with broad data-generation controls and export formats. Consider its row and download limits, and note that AI features may send schema descriptions to third-party providers.
Who it suits
It suits application developers, QA engineers, and data engineers who need realistic test data. Its range of schema inputs and exports may fit teams working with relational, document, or ML training datasets.
Plans and prices
Free
First 20,000 rows of each dataset free in web app and browser-approved MCP · 1,000,000 rows per table · 1 GB per download · 5 GB stored datasets per account
Read 30 Sep 2026 · synthforge.io
Credits
1 credit = 1 cent · web/MCP browser sessions: 2 credits plus 1 per 25,000 rows beyond the free allowance · API-key jobs metered from the first row · API-key AI schema design: 8 credits per table, up to 80
Read 30 Sep 2026 · synthforge.io
On the record
- AI agent integration
- Hosted MCP is in open beta and supports Claude, Cursor, and Streamable HTTP MCP clients.synthforge.io · read 30 Sep 2026
- AI data handling
- Descriptions and schema structures may be sent to third-party AI providers, including xAI, OpenAI, and Anthropic, when AI features are used.synthforge.io · read 30 Sep 2026
- API access
- Personal API keys authenticate with Bearer tokens and can generate datasets from curl, Python, or the CLI.synthforge.io · read 30 Sep 2026
- Compliance and masking
- The maker says SynthForge does not de-identify production data and does not have a SOC 2 or HIPAA attestation.synthforge.io · read 30 Sep 2026
- Database compatibility
- Supported SQL dialects are PostgreSQL, MySQL, SQL Server, SQLite, MariaDB, DuckDB, and CockroachDB; MongoDB-ready data is available as JSON or JSONL.synthforge.io · read 30 Sep 2026
- Exports
- It exports CSV, SQL for seven dialects, JSON, JSONL, and Parquet.synthforge.io · read 30 Sep 2026
- Generators
- The product offers 152 field types across 19 categories, with value constraints, statistical distributions, and conditional overrides.synthforge.io · read 30 Sep 2026
- Intended users
- The maker describes the product for application developers, QA engineers, and data engineers working with realistic test data and production-scale volumes.synthforge.io · read 30 Sep 2026
- Notable generation limit
- The pricing page caps generation at 1,000,000 rows per table and limits downloads to 1 GB.synthforge.io · read 30 Sep 2026
- Purpose
- SynthForge IO generates realistic synthetic test data from database schemas for development, QA, and load testing.synthforge.io · read 30 Sep 2026
- Relational integrity
- Generation orders tables by dependencies and keeps child foreign keys pointed at existing parent rows.synthforge.io · read 30 Sep 2026
- Schema design
- Users can describe a data model in plain English, build it in a visual editor, import SQL DDL, or start from templates.synthforge.io · read 30 Sep 2026
- Security
- The privacy policy says data in transit uses HTTPS, API access requires authentication, and stored generated datasets are encrypted and automatically deleted after roughly 24 hours.synthforge.io · read 30 Sep 2026
- Support
- The maker directs users who need higher limits or additional beta credits to contact support by email.synthforge.io · read 30 Sep 2026
