Json Filler

by FADHILI Josue · Developer Tools

Manifest V3 Free

View in Chrome Web Store Data as of 16 Oct 2026

Automatically fill JSON inputs with realistic, context-aware dummy data.

Users

+4 in 30 days

Rating

5.0 / 5

unchanged in 30 days

Ratings

0 in 30 days

Store rank

#156K

#130K among extensions

Version

2.0

updated 20 Jan 2026

Users

monthly, 10 months

Latest, 16 Oct 2026: 18 usersMove the mouse over the chart for any month

Ratings count

monthly, 10 months

Latest, 16 Oct 2026: 2 ratingsMove the mouse over the chart for any month

The Chrome Web Store rounds user counts down to the leading digit, so the user line moves in steps. The ratings count is exact and is the better signal of real adoption.

About Json Filler

JSON Filler is the ultimate productivity tool for Developers and QA Testers. It intelligently parses your JSON inputs (in Swagger UI, Postman, or any web-based editor) and fills them with realistic, context-aware dummy data.