Playground

Generate fake data right in your browser! This playground uses the same WebAssembly-compiled engine that powers the Rust library.

How to Use

Configuration - Enter your datafake configuration in the editor
Count - Set the number of records to generate (1-100)
Generate - Press the Generate button or use Ctrl+Enter (Cmd+Enter on Mac)
Load Examples - Use the dropdown to load pre-built example configurations

Configuration Structure

Field	Description
`metadata`	Optional name/version info
`variables`	Pre-generate values to reuse
`schema`	Define the output structure

The `fake` Operator

The fake operator is the core of datafake-rs. Use it to generate various types of fake data:

{"fake": ["type"]}
{"fake": ["type", arg1, arg2]}

Common Examples

Type	Syntax	Description
UUID	`{"fake": ["uuid"]}`	UUID v4 identifier
Name	`{"fake": ["name"]}`	Full name
Email	`{"fake": ["email"]}`	Email address
Integer	`{"fake": ["u8", 18, 65]}`	Integer with range
Float	`{"fake": ["f64", 0.0, 100.0]}`	Float with range
Choice	`{"fake": ["enum", "A", "B", "C"]}`	Random selection

Quick Reference

Personal Data

name, first_name, last_name, title
email, phone_number, username

Address

street_address, city, state_name, country_name
zip_code, latitude, longitude

Internet

ipv4, ipv6, mac_address, domain_name
user_agent, password

Finance

bic, bic8, bic11, iban
credit_card_number, currency_code

Content

word, words, sentence, paragraph
uuid, bool

See Fake Data Types for the complete list.