Instant JSON Viewer PRO

by Serhii Tkachenko · Developer Tools

Manifest V3 Free

View in Chrome Web Store Data as of 15 Oct 2026

Fast, clean JSON viewer for developers and QA with search, tree paths, error hints, and large file support.

Users

−1 in 30 days

Rating

0.0 / 5

unchanged in 30 days

Ratings

0 in 30 days

Store rank

#350K

#268K among extensions

Version

1.0.0

updated 30 Mar 2026

Users

monthly, 7 months

Latest, 15 Oct 2026: 3 usersMove the mouse over the chart for any month

Ratings count

monthly, 7 months

Latest, 15 Oct 2026: 0 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 Instant JSON Viewer PRO

Instant JSON Viewer PRO helps you inspect JSON quickly and comfortably in your browser. Built for developers and QA engineers who work with API responses, logs, and JSON files every day. Key features: - Tree View and Raw View - Fast search by keys and values - Collapse all / expand all - Copy path, copy value, and copy key - Invalid JSON diagnostics with line and column hints - Dark mode - File size and node metrics - Local file open from extension popup - Drag and drop local .json files - Optimized rendering for large JSON payloads Why Instant JSON Viewer PRO: - Clean, focused UI - Fast rendering and smooth navigation - Practical tools for real debugging workflows - No telemetry in v1 Made in Ukraine. Created by Serhii Tkachenko https://serhii-tkachenko.com/