JVal - JSON Validator icon

JVal - JSON Validator

by Flavio Moreira · Tools
Manifest V3 Free
View in Chrome Web Store Data as of 21 Oct 2026

Validate highlighted JSON document on a webpage

Users
13
−1 in 30 days
Rating
0.0 / 5
unchanged in 30 days
Ratings
0
0 in 30 days
Store rank
#182K
#152K among extensions
Version
0.2.0
updated 8 Feb 2025

Users

monthly, 2 years
0613Jan 2025Dec 2025Oct 2026
Latest, 21 Oct 2026: 13 usersMove the mouse over the chart for any month

Ratings count

monthly, 2 years
001Jan 2025Dec 2025Oct 2026
Latest, 21 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 JVal - JSON Validator

JSON Text Validator is a lightweight Chrome extension that lets you validate highlighted JSON text directly from any webpage. Benefits: - Save time by integrating validation directly into your browsing experience. - Eliminate the hassle of switching between tabs or using online validators. Highlight, click, and get results instantly. Features: - Validate JSON by simply highlighting text and right-clicking. - Detect errors and view detailed feedback instantly. - No need to copy and paste JSON into external tools. - Works on most webpage, making it convenient for developers and analysts. - Lightweight and fast, with minimal system resource usage. Permissions: - Context Menus: This extension uses the contextMenus permission to add a right-click menu option, making it easy to validate JSON directly from any webpage. - Active Tab: The activeTab permission allows the extension to access the currently active webpage when you use the extension. This is necessary to read and validate highlighted JSON without requiring broader permissions. Your privacy is important—this extension only interacts with the page when you activate it and does not collect or store any data. disclaimer: Some websites prevent extension from modifying the DOM(Document Object Model), which prevent the extension from showing validation the result as popup toast. Should you find any problem with this extension we appreciate if you let us know.

Growth

WindowUsersChangeRatingsRating
7 days+5+62.5%00.00
30 days−1−7.1%00.00
6 months+6+85.7%00.00
1 year+13–00.00

Version history

4 versions recorded
0.2.08 Feb 2025
0.1.03 Feb 2025
0.0.322 Jan 2025
0.0.220 Jan 2025

Details

Category
Tools
First seen
20 Jan 2025
Size
37 KB
Languages
en-GB
Pricing
Free
Support
forms.gle
Extension ID
dopocjkeoefeemmgjohmbefokencokgo

Permissions and risk

Low riskimpact 1, likelihood 2
Permissions
contextMenusactiveTab

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