Digital Toolchest

CSV File Generator

Create sample CSV files in seconds. Control row counts, columns, and delimiters with one click.

Generate a CSV file

Choose size or row count, then generate a CSV file instantly.

Use download for larger CSVs to avoid clipboard limits.

Generated output

Preview your file contents before downloading.

0 lines0 bytes

How to generate a CSV file

Generate a file in 3 steps

Takes ~5 seconds
  1. 1
    Pick size or rows

    Choose size-based or row-based output.

  2. 2
    Generate the file

    Click "Generate CSV file" to build the output.

  3. 3
    Copy or download

    Copy the content or download the file instantly.

Use the header row when mapping CSV columns in import tools.

Who should use this generator?

  • Developers testing CSV imports
  • QA teams building fixtures
  • Data teams validating pipelines

Examples

Generate a CSV with 100 rows and a header.

CSV, 100 rows, header -> Header + 100 rows

Create a CSV with 6 columns.

CSV, 6 columns -> 6 values per row

Use a custom delimiter for legacy imports.

CSV, delimiter ';' -> Rows separated by ';'

Generate CSV files fast

Use this CSV file generator to create placeholder data for import testing, demos, and pipelines.

The CSV file generator creates structured CSV files by size or row count. Customize columns, delimiters, and headers directly in your browser.

Structured data

Generate CSV rows with custom column counts and delimiters.

  • Custom columns
  • Optional header row
  • Delimiter control
Import ready

Create sample files that mimic real imports and pipelines.

  • Row-based output
  • CSV format
  • Fast in-browser generation

CSV file tips

Match column counts and delimiters to your import configuration.

  • Include header rows for easier mapping.
  • Use delimiter settings to match legacy systems.
  • Download large files to avoid clipboard limits.

Frequently asked questions

Does this run locally?>
Yes. Everything is generated in your browser.
Can I customize columns?>
Yes. Set the column count and cell length before generating.
How accurate is size-based generation?>
The output uses ASCII characters, so byte counts are approximate but close.
Is my data sent anywhere?>
No. Everything runs locally in your browser.

Related File generators

TXT File Generator

Generate sample TXT files by size or line count. Perfect for testing uploads, parsing, and data pipelines.