Dummy Data Generator

Instantly and securely generate dummy data for API mocks and database testing right in your browser.

Settings

Preset

User Info

Preset

Data Locale

日本語 (Japanese)

Data Locale

Field Definitions

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ID (UUID)

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氏名 (Full Name)

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メールアドレス (Email)

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電話番号 (Phone)

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住所 (Address)

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Generate Count

Generate Count

Output Format

JSON

Output Format

Output Preview

How to use

1. Select a Preset: Choose a preset like "User Info" or "Company Info" that fits your needs.
2. Customize Fields: Add, remove, or change data types of specific fields as needed.
3. Set Output Format: Specify the number of records to generate and choose the output format (JSON, CSV, SQL).
4. Generate Data: Click the "Generate Data" button to view the results in the preview area.
5. Save: Copy to the clipboard or download the result as a file to use it.

Security and Privacy

🔒 All dummy data generation is processed locally in your browser. Your settings and generated results are never sent to any server.