Generators
Mock Data GeneratorOnline Developer Tool
Schema-based fake data for APIs and tests: export JSON, CSV, SQL, or XML (similar to “Mockaroo online” but in-browser). Good for “generate sample users JSON” or “CSV test data”.
About Mock Data Generator
Build a field schema with dozens of data types, optional blanks, sequences, and export JSON, CSV, SQL, or XML up to thousands of rows — all locally in your browser. Runs entirely in your browser — no installation, no account required to try it.
Key Features
- mock data
- test data generator
- fake data
- json fixtures
- csv generator
- sql insert generator
- api testing
- mockaroo
- Runs in your browser — no install
- Free to use, always
How to Use Mock Data Generator
- 01
Open the tool
Click "Use Mock Data Generator Free" above — no download or account required.
- 02
Enter your data
Paste or type your input directly in the browser. Processing happens locally on your device.
- 03
Copy the result
Get your output instantly. Copy it, download it, or keep working in the same tab.
Related Generators Tools
UUID / ULID GeneratorGenerate UUID v1–v7 or ULIDs with namespace options and bulk copy or download.Secret / API Key GeneratorGenerate cryptographically random strings with a configurable alphabet and length. Bulk copy or download; pairs with the UUID generator.QR Code GeneratorCreate PNG QR codes from any text or URL with error correction, colors, and margin. Runs entirely in your browser.Hash GeneratorCompute MD5, SHA-1, SHA-256, SHA-384, and SHA-512 digests for text or files with hex output. All hashing runs locally in your browser.