Just JSON Viewer icon

Just JSON Viewer

by MB Munero · herotofu.com · Developer Tools
Manifest V3 Free
View in Chrome Web Store Data as of 15 Oct 2026

View nicely formatted and highlighted JSON files. No special permissions. No signup. No ads. No tracking.

Users
585
+42 in 30 days
Rating
5.0 / 5
unchanged in 30 days
Ratings
3
0 in 30 days
Store rank
#40K
#34K among extensions
Version
1.0.3
updated 3 Apr 2023

Users

monthly, 3 years
3294585Aug 2023Apr 2025Oct 2026
Latest, 15 Oct 2026: 585 usersMove the mouse over the chart for any month

Ratings count

monthly, 3 years
023Aug 2023Apr 2025Oct 2026
Latest, 15 Oct 2026: 3 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 Just JSON Viewer

The "Just JSON Viewer" browser extension is a simple, privacy-friendly way to view JSON files in a nicely formatted and highlighted output. Here are some features that make it stand out: - View JSON responses. Nicely formatted and highlighted output making it easy to read. - Format JSON documents. Copy-paste JSON code to quickly format it. - Automatically fixes common errors. Like trailing commas, missing quotes, etc. - No special permissions required. You can trust that your information is secure as our extension does not need any permissions to run. - No 3rd party trackers or ads. We value your privacy and ensure that the extension does not contain third-party trackers or ads that may compromise your data. - Memory-efficient. The extension only runs when you click the icon, so it won't slow down your device with unnecessary background processes. - Dark mode. Choose between the light and dark modes. What's the catch / why it's free? This extension is created by HeroTofu.com, we have both free and paid products. Our paid products help pay for the cost of creating and maintaining the free ones, like the "Just JSON Viewer" extension. This means we can give you the extension for free, without any hidden costs.

Growth

WindowUsersChangeRatingsRating
7 days+11+1.9%00.00
30 days+42+7.7%00.00
6 months+126+27.5%00.00
1 year+268+84.5%00.00

Chrome Web Store search rankings

Where Just JSON Viewer appears when people search the store, with the 30 day change
Search phrasePosition30 days
json#210

Version history

3 versions recorded
1.0.33 Apr 2023
1.0.230 Mar 2023
1.0.128 Mar 2023

Details

Category
Developer Tools
First seen
28 Mar 2023
Size
70 KB
Languages
en
Pricing
Free
Privacy policy
herotofu.com
Extension ID
hpmmjcpbalflfgmgloddnkeibocfdjcn

Permissions and risk

Minimal riskimpact 0, likelihood 1
Permissions
activeTabcontextMenusscripting

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