Custom Style Script
Developer Tools
Add Custom JavaScript (JS) Code or Styles (CSS) to any page.
Users
10K
Rating
4.2
Reviews
42
7D Growth
0|0%
Stable signalNo paid features detectedMedium-risk permissions
User JavaScript and CSS
User JavaScript and CSS on any website
Users200KCurrent public install base
Rating4.8Store average score
Reviews657Public review volume
Manifest versionV3Extension platform version
7-day growth0Net users gained this week
7-day growth rate0%Relative weekly velocity
Preview
4 assetsUser JavaScript and CSS Media preview
Trend
User growth trend
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User Growth Over Time
Rating trend
7-day rating trend
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7-day rating change
Start
4.75
Latest
4.75
7-day rating change
0.00
2026年7月15日2026年7月21日
Growth overview
Daily, weekly, and monthly growth
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1-day growthFlat
00%7-day growthFlat
00%30-day growthFlat
00%Technical snapshot
Version, languages, and crawl freshness
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Version3.1.2
ManifestV3
Size1.72MiB
Languages2English / русский
Published
Store updated
Last crawled
Englishрусский
Overview
Product summary
Review the store description, core capabilities, and common use cases.
Userscript's and userstyle's — simple extension to inject own JavaScript or CSS rules to any page.
Features:
- Instant execution
- Custom libs include
- URL masking allows use one script or CSS on many pages
Documentation:
Reviews
Recent review snapshot
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Store average score4.8Chrome Web Store aggregate rating, including ratings without synced review text
Synced text average4.7Average computed only from synced review bodies below
Reviews with text472Synced review bodies
Total ratings / reviews657Chrome Web Store public rating/review count
Store average score: 4.8. 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.
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Это пушка! 5 баллов! Пользуюсь каждый день для диких javascript-утех, работает как часы! Честь и хвала разработчикам!
quality app for implementing custom stylesheets or js code on sites i frequent
Excellent extension with loads of extras to help developers, including some hidden features like Ctrl + click for multiple cursors, Alt + drag to highlight a rectangle, etc.
Awesome extension! I am a web developer & i use it daily in many sites to: * Extract information to the console * Extract information to the page (when the information is related to some elementos & i want to see the information in its context) * Modify the look&feel of the pages * Trace events to validate them * ... With some knowledge of JS & CSS you can do almost whatever you want 🤩
This is awesome!!
优化同步
Hasznos jószág, ha valaki ismeri a javascriptet.
Love it, it only needs some autocomplete features and it will be complete
This is an awesome plugin. Thanks.
I was looking for tool to inject some code, "side wide". Finally found.