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User JavaScript and CSS icon

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

User JavaScript and CSS Media preview

4 assets
Trend

User growth trend

Review user movement across collected snapshots.

User Growth Over Time

200K200K200K200K200K2026年7月15日2026年7月18日2026年7月21日Latest: 200K
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
4.654.704.754.804.852026年7月15日2026年7月18日2026年7月21日Latest: 4.75
2026年7月15日2026年7月21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 growthFlat
00%
30-day growthFlat
00%
Technical snapshot

Version, languages, and crawl freshness

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

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

Inspect the latest comments and rating distribution.

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.

5
394
4
50
3
6
2
6
1
16
Junk Mail2019年4月8日
5

Exactly what I was looking for - automatically run javascript on a list of custom urls.

Language en
Sergii Illiukhin2019年4月6日
5

Thanks, it's great extension

Language en
1 helpful · 0 not helpful
상인2019年3月25日
4

라이브러리 로드가 잘 안되는 것 같긴한데 유용하네요.

Language ko
박대성2019年3月8日
5

설정을 클라우드에 업로드&다운로드 할 수 있어서 집과 회사에서 동기화하기 편리합니다.

Language ko
Anonymous user2019年2月15日
5

Simple, easy but powerful

Language en
Carlos Serrada2019年1月11日
5

Excelente

Language pt
1 helpful · 0 not helpful
Muhammet Ali Petek2019年1月10日
5

This is the best injector so far. URL matching works fine, turning scripts on-off is great.

Language en
Matthew Morrone2019年1月9日
5

Superb! This is the first extension of its kind that works flawlessly. If you're taking feature requests, integration with a github repository would be great, as I'm running into all kinds of versioning issues importing and exporting on different computers.

Language en
5 helpful · 0 not helpful
Christian Ynion2019年1月9日
5

Excellent!

Language en
1 helpful · 0 not helpful
Роман2019年1月6日
5

У меня есть скрипт суть которого заключается в том,что он меняет шрифт на посещаемых мною страницах. Мне нужно сделать,чтобы скрипт работал на всех сайтах. Как это сделать в этом расширении я не понял. Если такая возможность есть,то подскажите пожалуйста как это сделать. Я поменяю свою оценку. Если такой возможности нет, то придется искать что-то другое. P.S Спасибо за помощь Дмитрий! Всё получилось! Как и обещал меняю свою оценку.

Language ru
1 helpful · 0 not helpful