What types of data can be generated?

Japanese names, addresses, phone numbers, email addresses, company names, and more.

Is the generated data real?

No. All data is randomly generated and fictional.

No. All processing happens in your browser.

Yes. You can specify the number of data items to generate. Even if you need a large amount of test data, it can be generated all at once.

Yes. The generated data can be downloaded as a CSV file. This is convenient for importing data into test environments.

Randomly generate Japanese-specific test data (Japanese names, prefectures, Japanese phone format). Supports JSON/CSV output.

count

件 (1〜100)

fields

name address phone email birthday

outputFormat

json csv

What types of data can be generated?: Japanese names, addresses, phone numbers, email addresses, company names, and more.
Is the generated data real?: No. All data is randomly generated and fictional.
Is my data sent to a server?: No. All processing happens in your browser.
Can I specify the number of items to generate?: Yes. You can specify the number of data items to generate. Even if you need a large amount of test data, it can be generated all at once.
Can the generated results be downloaded as CSV?: Yes. The generated data can be downloaded as a CSV file. This is convenient for importing data into test environments.

Last Updated: 2026-02-21