Mocksheets is a free AI-powered CSV generator that creates custom sample CSV files from plain English descriptions — specify your columns, row count, and data types, and download instantly.
Perfect for API testing, database seeding, data pipeline validation, and creating realistic demo datasets.
Just type what you need — Mocksheets handles the rest
Populate test environments with realistic CSV data for integration and load testing.
Import CSV data to seed development and staging database instances quickly.
Test ETL processes and data transformation pipelines with representative CSV samples.
Create realistic-looking CSV files for product demos and sales presentations.
Go to mocksheets.com/app, type your requirements in plain English (e.g., "Create a CSV with 200 rows of product inventory data including SKU, name, price, and stock quantity"), click Generate, and download your CSV instantly.
The Mocksheets CSV generator supports text, numbers, dates, emails, phone numbers, URLs, boolean values, UUIDs, currency values, addresses, and any custom data type you describe. It also supports relationships between columns (e.g., cities that match countries).
Yes, the Mocksheets CSV generator is free to use. The free plan includes up to 50 rows per generation. Pro plans support larger datasets with unlimited monthly generations.
Sample CSV files are used for: API testing and integration tests, seeding development databases, populating demo environments, data pipeline testing, machine learning model training, and creating example files for documentation.
Yes. You can specify date formats (ISO 8601, US format, etc.), number precision, currency symbols, and custom string patterns. Simply describe the format in your prompt.
Free plan · No credit card · Download instantly
Generate CSV Free →