JSON Viewer icon

JSON Viewer

by teocci · Developer Tools
Manifest V3 Free
View in Chrome Web Store Data as of 15 Oct 2026

Validates and makes JSON documents easy to read. Open source.

Users
100K
0 in 30 days
Rating
3.6 / 5
−0.62 in 30 days
Ratings
157
0 in 30 days
Store rank
#1,983
#1,740 among extensions
Version
1.0.3
updated 24 Feb 2024

Users

monthly, 3 years
10K55K100KAug 2023Apr 2025Oct 2026
Latest, 15 Oct 2026: 100,000 usersMove the mouse over the chart for any month

Ratings count

monthly, 3 years
50104158Aug 2023Apr 2025Oct 2026
Latest, 15 Oct 2026: 157 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 JSON Viewer

JSONViewer port for Chrome is an updated version of Gildas' JSOnView extension. Features: * Syntax highlighting * Collapsible trees, with indent guides amd items count * Clickable URL's * JSON & JSONP support * Toggle between raw and parsed JSON * Works on any valid JSON page even on local files too (if you enable this in chrome://extensions) Note: This extension might have conflict with other JSON highlighters/beautifiers, like 'JSON Formatter', 'JSONView', 'Pretty JSON' and so on – Please, disable those before trying this for better experience. Try it out on these URLs: https://jsonplaceholder.typicode.com/todos/1 1 todo https://jsonplaceholder.typicode.com/posts 100 posts https://jsonplaceholder.typicode.com/comments 500 comments https://jsonplaceholder.typicode.com/albums 100 albums https://jsonplaceholder.typicode.com/photos 5000 photos https://jsonplaceholder.typicode.com/todos 200 todos https://jsonplaceholder.typicode.com/users 10 users Original firefox extension is here: http://benhollis.net/software/jsonview/ Changes Logs: ============ v.1.0.3 - Removed console logs. v.1.0.1 - Updated to Manifest V3. Minor bug fixes v.0.8.17 - Removed Traffzilla for interfering with other websites v.0.8.15 - Added Traffzilla due to Traffzilla's policies v.0.8.13 - Removed Traffzilla for interfering with other websites v.0.8.11 - Added Traffzilla and disclaimer v.0.8.9 - Added Options menu. Minor bug fixes V.0.8.7 - Removed Traffzila v.0.8.5 - Added Traffzila v.0.8.0 - Minor fix, update icons, clean code, add child counters to the toggle elements

Growth

WindowUsersChangeRatingsRating
7 days0+0.0%0−0.62
30 days0+0.0%0−0.62
6 months0+0.0%−1−0.62
1 year+30K+42.9%0−0.63

Chrome Web Store search rankings

Where JSON Viewer appears when people search the store, with the 30 day change
Search phrasePosition30 days
viewer#3+3
json#30
bug fixes#38+33

Version history

3 versions recorded
1.0.324 Feb 2024
1.0.127 Jun 2023
0.8.1729 Jan 2019

Details

Category
Developer Tools
First seen
29 Jan 2019
Size
104 KB
Languages
en-US
Pricing
Free
Extension ID
aimiinbnnkboelefkjlenlgimcabobli

Permissions and risk

Moderate riskimpact 3, likelihood 1
Permissions
clipboardWritescriptingactiveTabcontextMenusstorage
Site access
*://*/*<all_urls>
Can read and change data on every website you visit.

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