List Generator

List Generator

Generate lists with customizable item types and configurations for testing and development

List Configuration
Set list structure and parameters
10 items

String Options

Generated List
Click generate to create list

Generate list to see results

Usage Guide

Item Count: Set how many items to generate in the list

Item Types: Choose data types for list items (string, number, boolean)

Unique Items: Ensure all items in the list are unique

Export: Copy to clipboard or download as JSON file for use in your projects

Learning Resources

List Generation Complete Guide

Master the art of generating diverse lists for testing, development, and data analysis

List Generator creates arrays of strings, numbers, or booleans with dials for length, ranges, and uniqueness. It’s ideal for algorithm trials, UI previews, and data plumbing where realistic shapes matter more than specific content.

Go beyond uniform randomness: include very long strings, boundary numbers, and boolean skews to reveal assumptions early. Keep seeds and parameters with artifacts so list shapes are repeatable across machines and time.