Generate realistic mock data — names, emails, phone numbers, addresses, companies, dates, and more — as JSON or CSV for testing, prototyping, and filling demo databases. Pick exactly which fields you need, choose how many rows to generate (up to 500), and copy or download the result. All data is randomly generated in your browser; nothing is fetched from a real database or API.
Paste CSV data and view it as a sortable, formatted table instantly in your browser.
Remove empty rows, empty columns, and trim extra whitespace from CSV data. Preview the cleaned result and copy to clipboard. Free.
Validate JSON instantly with line-level error reporting. Paste your JSON and see exactly where the syntax error is — plus root type, depth, and key count. Free.