test data generator
Realistic rows for any schema, in one click.
Pick one of 35 templates or build your own fields and rows are generated locally, no model wait. Describe the data or paste a schema and an LLM infers the fields first. Export to CSV, SQL, JSON, Excel and 9 more formats.
161Field types
35Templates
10,000Max rows
13Export formats
input
Examples
Templates35 of 35
7 fieldsfrom Email Login
local · no LLM
1 sample record · no signup needed · Sign in for up to 10,000 rows →
output
Your data will appear here
Pick a template on the left and press Generate, or describe your schema in plain English. You get a table preview and the same rows in every export format.
- Table previewFirst 50 rows, nulls and empties marked
- 13 formatsJSON, CSV, TSV, SQL, MongoDB, JS…
- 27 localesNames, phones and addresses that match