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
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User Growth Over Time
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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
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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
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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
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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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Все отлично работает на версии 2.1.1, нон как только обновляется до 3.0.6, все стоит. И как отключить эти обновления? 🤷 Друг выпили автообновление версии. Дай чистую и стабильную 2.1.1. заранее ставлю 5, так как верю в тебя 😊 Ну или хотя бы кнопку обновить версию, я каждые 2-3 часа код переписку из за этого обновления. Заранее спс.
"Could you add a feature that allows switching between JS or CSS editing panels via a tab? Also, the left sidebar is too large, making the entire code editing area feel cramped and somewhat overwhelming."
Perfectly worked for my requirements. Thanks. Much appreciated.
Спасибо за замечательное расширение! Скажите появится ли возможность импорта ESM модулей? На сколько я понимаю нужно просто добавить type="module" при подключении.
Works most of the time but sometimes it caches the old code and even after multiple changes, they don't get reflected on the site.
This is one of my most frequently used tools. Love the purpose, usability and the constant, seamless improvement. Kudos to the developer: you are part of my internet, my work and my workflows, <3.
Не работает на страницах yandex
The best tool. Is there anyone who knows a good alternative for this module for Firefox? Legjobb eszköz. Van itt valaki, aki ismeri ilyen kiegészítőt Firefox-hoz? Köszi.
Very useful
Just started using it. Very nice. One thing that would make it more perfect is if the CSS updated in open tabs upon save. The Programmatic Injection implies that it will load edits without reloading open tabs, but my experience is that the styles either do not get injected at all, or still require the tab to be refreshed.