AV-D15
Mock Data Generator
Generate up to 10,000 rows of realistic fake data as JSON, CSV or SQL INSERTs, reproducible by seed.
● Runs on your device; nothing is uploadedHow to use it
- Under Fields, set each Name and Type, plus Min/Max or Choices where shown.
- Set % null per field; use Add field or the bin button to change the list.
- Enter Rows and a Seed, or click New seed.
- Choose JSON, NDJSON, CSV or SQL; for SQL set Table and Quoting.
- Copy the output or click Download.
Limits
- Rows
- 1–10,000
- % null per field
- 0–100
- Decimal places
- 0–10
- Output preview
- 150,000 characters (copy or download for all)
- SQL INSERT batch
- 500 rows per statement
Features
- 27 field types: names, addresses, IDs, numbers, dates, text and more
- The same seed always gives the same data
- Multi-row INSERTs with standard, MySQL or SQL Server quoting
- Warns about duplicate field names
- Changing a field's % null doesn't reshuffle other columns
For AI agents: avtools_mock_data
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