Free online mock data generator with 28 data types, JSON/CSV/TSV/YAML formats, batch generate test data
TL;DR: Free mock data generator with 28 data types and JSON/CSV/TSV/YAML formats. Batch generate test data, runs locally in your browser, no registration required.
This tool runs entirely in your browser. Open DevTools → Network panel and search your input — it appears in no request.
FAQ
Completely free, no registration required. Generate mock data directly in your browser — all operations run locally with no usage limits.
Supports 28 data types across 7 categories: basic info (name, gender, age), network (email, phone, URL, IP), date & time, numbers, text, identifiers (UUID, ID card), and colors.
No. All data generation runs locally in your browser. Data is never sent to any server, ensuring complete privacy.
Supports four output formats: JSON, CSV, TSV, and YAML. You can copy results directly or download as a file for different testing scenarios.
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