User JavaScript and CSS
Developer Tools
User JavaScript and CSS on any website
Users
200K
Rating
4.8
Reviews
657
7D Growth
0|0%
Stable signalNo paid features detectedHigh-risk permissions
Custom JavaScript for Websites
Inject custom JS into the current domain.
Users1KCurrent public install base
Rating5.0Store average score
Reviews3Public review volume
Manifest versionV3Extension platform version
7-day growth0Net users gained this week
7-day growth rate0%Relative weekly velocity
Preview
3 assetsCustom JavaScript for Websites 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
5.00
Latest
5.00
7-day rating change
0.00
2026年7月14日2026年7月20日
Growth overview
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1-day growthNo data
----7-day growthFlat
00%30-day growthNo data
----Technical snapshot
Version, languages, and crawl freshness
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Version1.04
ManifestV3
Size1.89MiB
Languages1English (United States)
Published
Store updated
Last crawled
English (United States)
Overview
Product summary
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Custom JS Injector allows you to run your own JavaScript code on any website. You can write, inject, and store custom scripts per domain — all from a clean, intuitive popup interface.
✨ **Features**:
- 💻 Inject JavaScript into any website via popup UI
- 💾 Automatically saves your script per domain
- 🔁 Auto-inject on page reload — no need to click again
- 🔒 Scripts are stored locally (no remote sync or upload)
Reviews
Recent review snapshot
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Store average score5.0Chrome Web Store aggregate rating, including ratings without synced review text
Synced text average5.0Average computed only from synced review bodies below
Reviews with text3Synced review bodies
Total ratings / reviews3Chrome Web Store public rating/review count
Store average score: 5.0. 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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Funciona perfeitamente, podendo limitar as páginas de operação nas configurações.
Nice extension !!!
Simply but worked like charm, thank you!!!