Master Data

Browse and download the master datasets used for dummy data generation. Reuse the CSV files for your own testing or integrations.

japanese_prefectures

Prefectures

Prefecture master data including JIS codes and each notation (Japanese, Kana, English).

47 records

japanese_municipalities

Municipalities

Municipality master data including JIS codes and each notation (Japanese, Kana, English). Includes prefecture information.

1892 records

japanese_person_last_names

Person Last Names

Common Japanese family names with kanji, katakana, and hiragana variants.

15 records

japanese_person_first_names

Person First Names

Common Japanese given names with kanji, katakana, and hiragana variants.

15 records

japanese_country_codes

Country Codes

Country codes defined by the Ministry of Justice (ISO 3166-1 alpha-2).

199 records

japanese_occupation_codes

Occupation Codes

Occupation classification codes based on the Japanese Standard Occupational Classification.

415 records

japanese_employee_types

Employee Types

Master data for common Japanese employee types (regular, contract, temporary, etc.).

10 records

currency_codes

Currency Codes

Currency codes defined by ISO 4217, including 3-letter alphabetic codes, numeric codes, currency names, and minor units.

58 records

language_codes

Language Codes

Language codes defined by ISO 639-1, including 2-letter alphabetic codes and language names (Japanese and English).

77 records

hobbies

Hobbies

Master data for common Japanese hobbies. Includes a wide range of categories such as sports, music, reading, games, and art.

60 records

company_names

Company Names

Master data for fictional Japanese company names. Includes corporations, limited companies, LLCs, and various legal entities.

100 records

product_names

Product Names

Master data for common Japanese product names. Includes a wide range of categories such as electronics, home appliances, fashion, food, and more.

100 records

vegetables_fruits

Vegetables & Fruits

Master data for common Japanese vegetables and fruits. Includes a wide range of categories such as leafy vegetables, root vegetables, and fruits.

100 records

store_names

Store Names

Master data for fictional Japanese store names. Includes a wide range of categories such as cafes, ramen, bakeries, restaurants, izakaya, and more.

100 records

blood_types

Blood Types

Master data for blood types based on ABO and Rh factor combinations. Includes distribution percentages for Japanese population.

8 records

departments

Departments

Master data for common department names used in Japanese companies. Includes categories such as management, administration, sales, engineering, and manufacturing.

32 records

job_titles

Job Titles

Master data for common job titles used in Japanese companies. Includes executives, CxO, management, specialists, and general staff.

30 records

http_status_codes

HTTP Status Codes

Master data for HTTP status codes defined in RFC 9110 and related RFCs. Includes 1xx through 5xx categories.

62 records

http_methods

HTTP Methods

Master data for HTTP request methods defined in RFC 9110. Includes safety and idempotency information.

9 records

mime_types

MIME Types

Master data for common MIME types (media types) used on the web. Includes file extension mappings.

50 records

programming_languages

Programming Languages

Master data for major programming languages. Includes file extensions, paradigms, and release years.

40 records

timezones

Timezones

Master data for major world timezones (IANA format). Includes UTC offsets and region information.

36 records

user_agents

User Agents

Master data for common browser and bot user agent strings. Includes browser name, version, and OS information.

23 records