JSON Viewer

The most beautiful and customizable JSON/JSONP highlighter that your eyes have ever seen. Open source at https://goo.gl/fmphc7

JSON Viewer - The Ultimate JSON/JSONP Highlighter Chrome Extension

"JSON Viewer" is a feature-rich Chrome extension designed to make it easier to view, format, and debug JSON data. With 27 built-in themes, optional clickable URLs, ability to inspect your JSON data, C-style braces and arrays option, and an intuitive scratch pad, you get an ultimate tool for handling JSON. It enables users to customize their themes, tab size, and maximum JSON size to highlight. The extension is part of an open-source project and is continually improved by dedicated contributors.

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Extension stats

By: tulios

Users: 1,000,000+

Rating: 4.54

(1,083)

2 new ratings

Version: 0.18.1 (Last updated: 2020-12-23)

Creation date: 2017-10-23

Permissions:

*://*/*
<all_urls>

Size: 317.44K

Email: or*****@gmail.com

Full description: See detailed description

Ranking

# 348 ▲ 72

Other rankings

#567 in Developer Tools ▼ 1

#1 in viewer keyword 74

#2 in json keyword 69 ▼ 1

#21 in plugin keyword 61 ▼ 6

#28 in options keyword 11 ▼ 7

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Other platforms

Not available on Android

Not available on Firefox

Not available on Edge

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 Chrome Web Store does not verify user reviews, so some user reviews may be inaccurate, spammy, or outdated.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

Customizable settings for collapsing and expanding JSON properties
Simple and great tool for viewing large JSON content
Great display and options for JSON
Works well in different browsers like Brave
User-friendly interface

Cons

Some users reported it doesn't work on specific sites like Instagram
Difficulty in using the tool without proper instructions
Some settings need to be manually enabled to function properly
Encountered issues in Edge browser
Misleading information about usage fees

Most mentioned

User interface is easy to navigate
Requires advancing settings for full functionality
Some usage instructions may not be clear
Works across multiple browsers

User reviews

What happened with the extension? Is outdated at March 3rd, 2025

Fernando Torres, 2025-03-04

permite configuracion mas especifica, por ejemplo si quieres que siempre colapse las propiedades o las expanda conforme exploras el json

Gerardo Sarmiento, 2025-01-25

Awesome..

Abdullah Munawar Siregar, 2024-09-15

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Extension safety

Risk impact

JSON Viewer requires a few sensitive permissions. Exercise caution before installing.

Risk impact analysis details

Critical Allows access to all websites, posing a significant security risk as it can monitor and modify data from any visited site.
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Risk likelihood

We don't have sufficient data to confidently determine the risk likelihood of JSON Viewer. Use it at your own risk.

Risk likelihood analysis details

Medium This extension has medium user count. Unpopular extensions may not be stable or safe.
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