Generate massive amounts of fake (but realistic) data for testing and development in the browser and node.js

Seamlessly visualize your JSON data instantly into graphs.

Go beyond basic mocking and stubbing to create a more robust simulation for APIs and services.

Streamline your API testing, integration testing and test data management.

Valid Credit Card Numbers for Testing Purposes

The Big List of Naughty Strings is a list of strings which have a high probability of causing issues when used as user-input data.