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
Latest, 15 Oct 2026:100,000 usersMove the mouse over the chart for any month
Ratings count
monthly, 3 years
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
Window
Users
Change
Ratings
Rating
7 days
0
+0.0%
0
−0.62
30 days
0
+0.0%
0
−0.62
6 months
0
+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