Best Test Data Generation Tools in 2026
Updated
In short: Benerator is ranked #1 of 28 as of 4 October 2026, ahead of dbForge Studio for PostgreSQL and YData SDK. The best-ranked option with a free plan is dbForge Studio for PostgreSQL. The lowest first paid tier on this page is Mockaroo at $5/mo.
Creating data for software tests can involve different generation methods and integration needs. Compare generation modes, supported data formats, and generation limits, along with API data generation and database connectors. Relational data support and deployment options can also shape fit; free plans and paid-from pricing help frame costs. MOSTLY AI, Benerator, and Synthesized lead the ranking, with Tonic Fabricate and Mockaroo among the next entries. Weigh the listed capabilities against the kinds of data your test cases call for and how you plan to use generated data.
28 test data generation tools ranked on what their makers publish — plans and prices, free tiers, platforms and the facts on their own pages.
#1 Benerator Top pick · 7.2 Free plan · Free
#2 dbForge Studio for PostgreSQL Runner-up · 7.1 Free plan · $7.50/mo
#3 YData SDK Also great · 7.1 Free plan · Free
- Free plan apiLinuxmacOSself-hostedWindows
- Free plan
- Yes
- Generation modes
- synthetic
- Relational data
- Yes
- API data generation
- Yes
- Supported data formats
- CSV, Excel, fixed-width, JSON, XML, DbUnit, SQL
RecognisedDocumentedFree planPlatforms - Free planFree trial LinuxmacOSWindows
- Free plan
- Yes
RecognisedDocumentedFree planPlatforms$7.50/mofirst paid tier About dbForge Studio for PostgreSQLVisit site - Free plan apiLinuxmacOSself-hostedWindows
- Free plan
- Yes
- Relational data
- Yes
- API data generation
- Yes
- Supported data formats
- CSV, Parquet, PDF, DOCX, HTML
RecognisedDocumentedFree planPlatforms - Free plan apiLinuxself-hostedWeb
- Free plan
- Yes
- Generation modes
- synthetic
- Relational data
- Yes
- API data generation
- Yes
- Supported data formats
- CSV, Parquet, XLSX
RecognisedDocumentedFree planPlatforms - Free planFree trial apiself-hostedWeb
- Free plan
- Yes
- Generation modes
- synthetic
- Relational data
- Yes
- API data generation
- Yes
- Supported data formats
- CSV, JSON, SQL, Excel, TXT, custom-delimited text, XML
RecognisedDocumentedFree planPlatforms$5/mofirst paid tier About MockarooVisit site - Free plan apiself-hostedWeb
- Free plan
- Yes
- Paid from
- 29 /mo
- Generation modes
- synthetic
- Relational data
- Yes
- API data generation
- Yes
- Supported data formats
- CSV, JSON, XML, SQL, PDF, DOCX, EML, relational databases, Apache Avro, Apache Iceberg, Apache Parquet
RecognisedDocumentedFree planPlatforms$29/mofirst paid tier About Tonic FabricateVisit site - Free plan apiWeb
- Free plan
- Yes
- Generation modes
- synthetic
- Relational data
- Yes
- API data generation
- Yes
- Supported data formats
- JSON
RecognisedDocumentedFree planPlatforms - Free plan apiself-hosted
- Free plan
- Yes
- Generation modes
- synthetic
- Relational data
- Yes
- API data generation
- Yes
- Supported data formats
- CSV, Excel, pandas DataFrame, JSON metadata
RecognisedDocumentedFree planPlatforms$250/mofirst paid tier About Synthetic Data VaultVisit site - Free trial Linuxself-hostedWebWindows
- Free plan
- No
RecognisedDocumentedFree planPlatforms - apiLinuxself-hostedWeb
- Free plan
- Yes
- Generation modes
- synthetic
- Relational data
- Yes
- API data generation
- Yes
- Supported data formats
- PostgreSQL, Oracle, MySQL, SQLite, Microsoft SQL Server, Snowflake, DB2 LUW, CSV, XML, SAP HANA
RecognisedDocumentedFree planPlatforms - api
- Free plan
- Yes
- Generation modes
- synthetic
- Relational data
- Yes
- API data generation
- Yes
- Supported data formats
- JSON, XML, CSV, SQL
RecognisedDocumentedFree planPlatforms - WebWindowsmacOSLinux
- Generation modes
- synthetic
- Relational data
- No
- API data generation
- Yes
- Supported data formats
- JSON, YAML
RecognisedDocumentedFree planPlatforms - apiself-hostedWeb
- Free plan
- No
- Relational data
- Yes
- API data generation
- Yes
- Supported data formats
- SQL, NoSQL, XML, JSON, REST API, CSV, EDI, Kafka, SOAP, Parquet, Avro
RecognisedDocumentedFree planPlatforms - WindowsmacOSLinux
- Free plan
- Yes
- Generation modes
- synthetic
- Supported data formats
- JSON
RecognisedDocumentedFree planPlatforms - Web
- Free plan
- Yes
- Generation modes
- synthetic
- Relational data
- No
- API data generation
- Yes
RecognisedDocumentedFree planPlatforms - Web
- Free plan
- Yes
- Generation modes
- synthetic
- Relational data
- Yes
- Supported data formats
- JSON, CSV, SQL, XML, HTML, JavaScript, TypeScript, PHP, Perl, C#, Ruby, Python
RecognisedDocumentedFree planPlatforms - Web
- Free plan
- Yes
- Generation modes
- synthetic
- API data generation
- Yes
- Supported data formats
- JSON, PrettyJSON, CSV, YAML, XML
RecognisedDocumentedFree planPlatforms - Web
- Free plan
- Yes
- Generation modes
- synthetic
- API data generation
- Yes
RecognisedDocumentedFree planPlatforms -
- Generation modes
- synthetic
- Relational data
- Yes
- API data generation
- Yes
- Supported data formats
- JSON, TXT, CSV, SQL, DOT, SVG, SVGZ, JPEG, PS, PNG
RecognisedDocumentedFree planPlatforms - Windows
- Free plan
- No
- Generation modes
- synthetic
- Relational data
- Yes
- API data generation
- Yes
- Supported data formats
- SQL, XML, CSV, JSON, Excel
RecognisedDocumentedFree planPlatforms -
- Free plan
- Yes
- Generation modes
- synthetic
- API data generation
- Yes
- Supported data formats
- CSV, JSON, SQL, YAML, XML, Java Object, TOML
RecognisedDocumentedFree planPlatforms -
- Generation modes
- synthetic
- Relational data
- Yes
- API data generation
- Yes
RecognisedDocumentedFree planPlatforms -
- Free plan
- Yes
- Generation modes
- synthetic
- Relational data
- No
- API data generation
- Yes
- Supported data formats
- JSON, CSV, DSV, PSV, TSV, fixed-width, binary, XML
RecognisedDocumentedFree planPlatforms -
- Generation modes
- synthetic
- Relational data
- No
- API data generation
- Yes
- Supported data formats
- CSV, JSON, XML
RecognisedDocumentedFree planPlatforms -
- Free plan
- Yes
- Generation modes
- synthetic
- Relational data
- Yes
- Supported data formats
- HL7 FHIR R4; HL7 FHIR STU3; HL7 FHIR DSTU2; Bulk FHIR NDJSON; C-CDA; CSV; CPCDS
RecognisedDocumentedFree planPlatforms
Is your app on this list?
Numbered spots on this list can be sponsored. They are labelled, and the editorial order and scores never change for payment.
Questions about this list
Which test data generation tool is ranked first on Everything Xiaomi?
Benerator is ranked #1 of 28 with a score of 7.2. dbForge Studio for PostgreSQL is second and YData SDK third.
How many of these have a free plan?
8 of the 25 on this page publish a free plan on their own pricing pages.
Which is the cheapest paid option?
On this page, Mockaroo has the lowest first paid tier we found: $5/mo.
How is this list ranked?
Ranked on what each maker publishes: documentation depth, a free tier and the platforms it runs on. Paid placements never change a rank.