JSON Viewer

by thanhdat1710@gmail.com · Developer Tools

Manifest V3 Free

View in Chrome Web Store Data as of 17 Oct 2026

Click to format the current page’s JSON with a fast, collapsible viewer—no auto-run.

Users

+1 in 30 days

Rating

5.0 / 5

unchanged in 30 days

Ratings

0 in 30 days

Store rank

#175K

#146K among extensions

Version

1.0.1

updated 14 Jan 2026

Users

monthly, 10 months

Latest, 17 Oct 2026: 13 usersMove the mouse over the chart for any month

Ratings count

monthly, 10 months

Latest, 17 Oct 2026: 1 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 Viewer

Click the extension to format the current page’s JSON into a fast, collapsible tree. Handles very large JSON (tested up to ~100 MB) with instant expand/collapse, supports multiple themes, and includes lightning-fast search through nested objects. Runs only when you click; no data leaves your browser. Feature list * Click-to-run: only activates when you press the extension icon (no background auto-run). * Large JSON ready: works smoothly on big payloads (tested up to ~100 MB). * Fast on big JSON: instant expand/collapse powered by react-obj-view. * Lightning-fast search: find keys/values deep inside nested objects. * Multiple themes: switch looks; preferences stay local. * Reader-friendly layout: collapsible tree with line numbers option. Source Code: https://github.com/vothanhdat/chrome-json-view