Developer Tools
Cooling signalFree or hybridHigh-risk permissions
Useful icon

Useful

Developer's Tool Packages, Just for simple.

Users686Current public install base
Rating5.0Store average score
Reviews3Public review volume
Manifest versionV3Extension platform version
7-day growth-10Net users gained this week
7-day growth rate-1.44%Relative weekly velocity
Preview

Useful Media preview

6 assets
Trend

30-day user trend

Review user movement over the last 30 days.

User Growth Over Time

6856886916946972026年6月16日2026年6月20日2026年6月22日Latest: 686
Rating trend

30-day rating change

Track rating movement over time to see whether quality signals remain stable.

30-day rating change

Start
5.00
Latest
5.00
30-day rating change
0.00
4.904.955.005.055.102026年6月16日2026年6月20日2026年6月22日Latest: 5.00
2026年6月16日2026年6月22日
Growth overview

Daily, weekly, and monthly growth

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

1-day growthFlat
00%
7-day growthDeclining
-10-1.44%
30-day growthDeclining
-3-0.44%
Technical snapshot

Version, languages, and crawl freshness

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

Version2.2.9
ManifestV3
Size11.9MiB
Languages2English (United States) / 中文（中国）
Published
Store updated
Last crawled
English (United States)中文（中国）
Overview

Product summary

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

Web Developer's Tool Packages, You can test API and format API data, JSON beauty and more tools. Just for help you easy in Develop。

Reviews

Recent review snapshot

Inspect the latest comments and rating distribution.

The Chrome Web Store shows 3 reviews, but only 0 review bodies have synced into ExtScope so far. Showing the synced reviews available right now.

5★
0
4★
0
3★
0
2★
0
1★
0
Related products

Similar and related extensions

Review related products from the Chrome Web Store detail page.