Scripty - Javascript Injector
Workflow & Planning
Inject your Javascript into the webpage
Users
20K
Rating
3.8
Reviews
103
7D Growth
0|0%
Growth signalNo paid features detectedHigh-risk permissions
InjectJS – JavaScript Injector & Custom Script Manager
Inject custom JavaScript (JS) into any webpage, automate tasks, and manage scripts. Ideal for developers and power users.
Users751Current public install base
Rating4.6Store average score
Reviews10Public review volume
Manifest versionV3Extension platform version
7-day growth+46Net users gained this week
7-day growth rate+6.52%Relative weekly velocity
Preview
4 assetsInjectJS – JavaScript Injector & Custom Script Manager Media preview
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Start
4.60
Latest
4.60
7-day rating change
0.00
2026年7月14日2026年7月20日
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1-day growthGrowing
+21+2.88%7-day growthGrowing
+46+6.52%30-day growthGrowing
+48+6.83%Technical snapshot
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Version4.1.0
ManifestV3
Size50.17KiB
Languages1English
Published
Store updated
Last crawled
English
Overview
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Inject JS lets you effortlessly inject custom JavaScript (JS) scripts into any webpage. Automate tasks, enhance websites, and instantly modify page behaviors.
New Update:
* Import/Export Scripts
* Expanded Script File Size Limit
Key Features:
* Inject JavaScript instantly into any website.
Reviews
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Store average score4.6Chrome Web Store aggregate rating, including ratings without synced review text
Synced text average4.6Average computed only from synced review bodies below
Reviews with text10Synced review bodies
Total ratings / reviews10Chrome Web Store public rating/review count
Store average score: 4.6. 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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перестал работать пишет, что надо установить, но он установлен
I shouldn't give 5 stars, because of: "Failed to update script: Resource::kQuotaBytesPerItem quota exceeded", having a max length is not purposeful. Otherwise 5 stars.
Solid 10/10
In deed the developers of this tool did a great job
Amazing tool
It's much faster than writing and running a full-blown automation script for every little thing. I love it!
The editor is simple but effective, and the URL matching options cover everything I need.
I've tried a few extensions like this, and Inject JS is by far the most reliable. Managing scripts is a breeze. The context menu is a great idea, but sometimes it feels a little clunky when I have a lot of scripts. Maybe a search bar in the context menu? Regardless, it's still an awesome tool.
I feel like I've been waiting for an extension like this for years. It's the perfect balance of a simple tool for quick hacks and a powerful manager for complex scripts.
Honestly, this is the best extension I have seen to inject custom javascript onto pages. It loads before document_start which is hard to find in any of these other extensions, and the UI isn't cluttered with garbage. It just works, which I appreciate.