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Alternatives · 2026

The best YData Synthetic alternatives

The rest of Best Test Data Generation Tools, in this site's order: each with what it costs, where it runs and its record score.

1 WebWindowsMac+3 Free plan Record5.3 Visit
2
Mockaroo

Mockaroo suits developers and testers who need realistic test data, including front-end developers building before a back end is ready.

WebAPISelf-hosted $60 a year Record5.2 Visit
3
RandomUser

RandomUser suits developers who need synthetic user records for application testing and want control over formats, fields and request options.

WebBrowser extensionAPI+1 Free plan Record5.0 Visit
4
JSON Schema Faker

It suits developers who need synthetic JSON output from schema definitions in Node.js or browser environments.

WebWindowsMac+2 Free plan Record4.9 Visit
5 WindowsMacLinux+1 Free plan Record4.7 Visit
6
MOSTLY AI

It suits teams that need synthetic data generation, data analysis or integration into applications and workflows.

WebLinuxAPI+1 Free plan Record4.7 Visit
7
Synthetic Data Vault

SDV suits developers and data teams who need synthetic datasets for single-table, sequential or relational data.

APISelf-hosted $250 a month Record4.7 Visit
8
Tonic Fabricate

Fabricate suits teams that need generated data for software development, testing, AI work, or demos, including those working with databases, APIs,…

WebAPISelf-hosted $29 usage-based Record4.6 Visit
9
Chance.js

Chance.js suits JavaScript developers who need generated sample values for automated tests or other tasks.

WebAPI Free plan Record4.5 Visit
10
Snowfakery

Snowfakery may suit developers and Salesforce users who need synthetic records with relationships, file output, or database destinations.

LinuxAPISelf-hosted Free plan Record4.5 Visit
11
Mimesis

Mimesis suits Python users who need configurable synthetic data for databases, files, anonymization, or dataframes.

Linux Free plan Record4.4 Visit
12 Windows $210 a year Record4.4 Visit
13
DummyJSON

DummyJSON suits frontend developers who need sample JSON resources or mock API responses without backend setup.

WebAPI Free plan Record4.3 Visit
14
Fishery

Fishery suits JavaScript developers who need reusable object setup for tests or other data-preparation tasks.

Free plan Record4.3 Visit
15 WebSelf-hosted $25 one-time Record4.3 Visit
16 WebLinuxAPI+1 Free plan Record4.3 Visit
17
Faker

Faker suits Python developers who need generated names, addresses, text, or other fake values for tests, bootstrapping, or anonymization.

Self-hosted Free plan Record4.2 Visit
18
Faker.js

Faker.js suits JavaScript developers who need synthetic data for tests, demos, or development while a backend is incomplete.

Web Free plan Record4.2 Visit
19
Synthea

It suits researchers, clinicians, policy makers, and software developers needing configurable synthetic health records.

Self-hosted Free plan Record4.2 Visit
20 Self-hosted Free plan Record4.1 Visit
21 Free plan Record4.1 Visit
22 APISelf-hosted Free plan Record4.1 Visit
23 API Free plan Record4.1 Visit
24 WindowsSelf-hosted — Record4.0 Visit