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JSON Formatter icon

JSON Formatter

Makes JSON easy to read

Users2MCurrent public install base
Rating4.3Store average score
Reviews2,085Public review volume
Manifest versionV3Extension platform version
7-day growth0Net users gained this week
7-day growth rate0%Relative weekly velocity
Preview

JSON Formatter Media preview

3 assets
Trend

User growth trend

Review user movement across collected snapshots.

User Growth Over Time

2M2M2M2M2M2026年7月17日2026年7月18日2026年7月19日Latest: 2M
Rating trend

7-day rating trend

View collected rating snapshots from the latest 7-day window to assess rating stability.

7-day rating change

Start
4.27
Latest
4.27
7-day rating change
0.00
4.174.224.274.324.372026年7月17日2026年7月18日2026年7月19日Latest: 4.27
2026年7月17日2026年7月19日
Growth overview

Daily, weekly, and monthly growth

Compare 1-day, 7-day, and 30-day net growth and growth rate.

1-day growthNo data
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7-day growthFlat
00%
30-day growthNo data
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Technical snapshot

Version, languages, and crawl freshness

Review publication date, version, supported languages, and crawl timestamps.

Version0.10.0
ManifestV3
Size77.04KiB
Languages1English
Published
Store updated
Last crawled
English
Overview

Product summary

Review the store description, core capabilities, and common use cases.

Automatically prettifies any JSON response opened in a browser tab.

FEATURES:

- **Fast**, even on very long JSON pages

- Dark mode support

- Syntax highlighting

- Code folding and indent guides

Reviews

Recent review snapshot

Inspect the latest comments and rating distribution.

Store average score4.3Chrome Web Store aggregate rating, including ratings without synced review text
Synced text average3.8Average computed only from synced review bodies below
Reviews with text910Synced review bodies
Total ratings / reviews2,085Chrome Web Store public rating/review count

Store average score: 4.3. The bars below are calculated from synced review text only, so they may be empty for extensions that have public ratings but no synced comments yet.

5
574
4
62
3
35
2
28
1
211
Elyess Abouda2012年3月12日
1

Didn't work for me!

Language en
0 helpful · 1 not helpful
Ruben DeCleyn2012年2月21日
1

sucked for me was looking over an hour why my sorting wasnt working while it was, this plugin just reformats the order based on the id's of stuff try it with {11:(somevalue), {1:{this should be second}}} i love this plugin but it costed me over an hour waste of re-writing code, so now i hate it

Language en
1 helpful · 3 not helpful
Piotr Kuczynski2012年2月6日
5

Nice one! I like the arrows to fold the content and possibility to view original response. I lack JSON validation...

Language en
1 helpful · 0 not helpful
Andrew Hoag2012年2月1日
5

Awesome, but would be even awesomer is the ability to collapse all the trees at the same level. This could easily be implemented in the interface on the same row as the "show original" with numbers for level of indent, where clicking would collapse/expand that entire level.

Language en
3 helpful · 0 not helpful
Anonymous user2012年1月25日
2

Looks good, but I couldn't get it to work. :-(

Language en
0 helpful · 3 not helpful
Guy Lescalier2012年1月20日
4

Great but an option to have all the nodes collapsed on page load would have been perfect since my json is quite huge !

Language en
1 helpful · 0 not helpful
Norberto Carnelli2011年12月14日
3

i cant make it work with file:// link: i've tried also saving delicious popular json file and it doesnt work (while it works when opened via web)

Language en
1 helpful · 0 not helpful
NS2011年12月3日
1

Has built-in Google Analytics tracking code .. should say so on the overview page. Clashes with "Orbvious interest".

Language en
1 helpful · 5 not helpful
Charlie Jacquez2011年11月18日
5

I really was expecting to see this functionality built right into Chrome, but lucky for us this extension exists. Worked perfect from the start. Highly recommend it.

Language en
2 helpful · 0 not helpful
Anonymous user2011年11月18日
5

Great tool! Tried PrettyJSON for Chrome but did not work, this one though

Language en