Dummy CSV Generator

Create a CSV file with your own columns and up to 10,000 rows of synthetic data.

Runs in your browser Free

Rows

Delimiter

Include header row

Columns

All values are random and synthetic. Emails use reserved example domains.

Result

Processed locally in your browser.

CSV for testing and imports

To test an app's CSV import, Excel macros, data-processing scripts or load tests, you need a sample file with a specific structure. Define your columns and get a ready test file in minutes.

Column types

Sequential ID and UUID
First name, last name and email
Integers and prices in a range
Dates and boolean (true/false) values
Random text

Flexible size

Generate up to 10,000 rows and set column names and order as you like. The file is created in your browser and downloads directly.

How to use Dummy CSV Generator

Define column names and data types.
Enter min and max values for number columns.
Choose the row count and generate the CSV.
Download the file.

Why use this tool?

Create realistic, correctly formatted files for import testing in seconds, without real data.

FAQ

Can I set number ranges?

Yes. Integer and price columns have minimum and maximum fields.

Will Excel open the file correctly?

Yes. If your regional Excel expects semicolons, convert the file with the TSV to CSV converter.

What if I need more than 10,000 rows?

Generate several files and combine them with the CSV Merger.

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