JSON Viewer icon

JSON Viewer

v1.0.1 Updated Jan 14, 2026 164KiB
CWS
8
Users
★ 5.00
1 reviews
#127592
of 207.4K
developer
#11191 of 18.1K

Description

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
JSON Viewer screenshot 1JSON Viewer screenshot 2JSON Viewer screenshot 3

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Permissions (3)

Permissions

activeTab Can access the current tab when you click the extension scripting Can inject scripts into web pages storage Can store data locally in your browser

Details

Version 1.0.1
Updated Jan 14, 2026
Size 164KiB
First Seen Mar 22, 2026