JSON Viewer

Port of Firefox's JSON Viewer

JSON Viewer: A Chrome Extension for Displaying JSON Files

'JSON Viewer' is a Chrome extension that enhances your JSON file viewing experience. Modelled after Firefox's version, it takes raw JSON files opened in the browser and turns them into syntax-highlighted, easy-to-read, and interactive displays. It collapses arrays and objects for clearer visibility and allows for exploration through expandable '+' icons. The source code can be retrieved from its website on GitHub.
Install from Chrome Web Store

Extension stats

Users: 30,000+
Rating: 4.65
(46)
Version: 2.2.0 (Last updated: 2024-03-26)
Creation date: 2018-05-27
Risk impact: Low risk impact
Risk likelihood:
Manifest version: 3
Permissions:
  • storage
Size: 143.36K

Other platforms

Not available on Android
Not available on Firefox
Not available on Edge
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Extension summary

This is a port of Firefox's JSON Viewer

If you open a JSON file in the browser, it is parsed and given syntax highlighting. Arrays and objects are shown collapsed, and you can expand them using the "+" icons.

Source code: https://github.com/pd4d10/json-viewer

User reviews

These summaries are automatically generated weekly using AI based on recent user reviews. Chrome Web Store does not verify user reviews, so some user reviews may be inaccurate, spammy, or outdated.
Pros
  • Displays JSON in a useful debugging UI.
  • Easy to work with.
  • Loved by users for porting functionality from Firefox JSON viewer.
Cons
  • Recent Chrome updates have broken functionality.
  • Some users report it does not work anymore.
  • Limited features available in the current UI.
Most mentioned
  • Issues after recent Chrome updates.
  • Positive user experience with JSON display.
  • Comparison to Firefox JSON viewer.
User reviews
by Pythonora Nybon, 2025-01-20

by Md Athar Sharif, 2025-01-01

by Hagen Zagola, 2024-10-16
View all user reviews

Extension safety

Risk impact

JSON Viewer requires very minimum permissions.

Risk likelihood

JSON Viewer has earned a fairly good reputation and likely can be trusted.

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