JSON / JWT Inspector

by Sid · Developer Tools

Manifest V3 Free

View in Chrome Web Store Data as of 16 Oct 2026

Developer tool for inspecting JSON and JWT tokens. Runs fully offline with no tracking.

Users

−3 in 30 days

Rating

5.0 / 5

unchanged in 30 days

Ratings

0 in 30 days

Store rank

#150K

#125K among extensions

Version

1.0.0

updated 6 Feb 2026

Users

monthly, 8 months

Latest, 16 Oct 2026: 20 usersMove the mouse over the chart for any month

Ratings count

monthly, 8 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 / JWT Inspector

JSON / JWT Inspector is a lightweight developer tool for inspecting JSON and JWT tokens directly in your browser. Features: • JSON beautify and tree view • JWT decode with expiry warnings • Works fully offline • No data leaves your browser • No tracking