New Version 2.0
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Json Filler

Stop typing manual JSON. Automatically fill Swagger UI, Postman, and web forms with realistic, context-aware dummy data.

Get it on Chrome Web Store
Try it right here:
  1. Right-click inside any code block below.
  2. Select Fill with random data from the context menu.
  3. Watch it detect types (Email, UUID, Dates) automatically!

Swagger / OpenAPI Schema

API

Complex User Profile

NESTED

Product Lists

ARRAYS

Company Metadata

HEURISTICS