Developer ToolsPrivacyWeb

Local Mock Data Generator

Browser-based one-click fake data, API fixtures, and seed scripts

Problem
Developers often need to fabricate user profiles, credit card numbers, and database seed data for testing. Doing it manually is slow and unrealistic, while online tools raise data leakage concerns or are clunky.
Solution
A purely browser-based mock data generator with custom fields (name, address, card number, UUID, etc.), export to JSON/CSV/SQL seed scripts, and savable presets. All data is generated locally, never uploaded.
Users
Frontend/backend developers, QA engineers, indie devs needing demo data
MVP
Visual field picker; JSON/CSV/SQL export; preset import/export; custom regex and locale support; fully offline
Revenue
Free web version + paid team edition (shared presets, bulk generation API/CLI)
Why now
Privacy and offline needs are growing; a pure frontend solution ships without backend, keeping indie maintenance low

Source discussions · 2

  1. Hacker NewsShow HN: Blobz: generate playful, deterministic SVG avatars from any string2↑ 0
  2. Hacker NewsShow HN: Fakenamegenerator – free browser based mock data generator2↑ 0
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