Script Injector
Developer Tools
Allow to inject script at page start.
Users
2K
Rating
3.9
Reviews
7
7D Growth
0|0%
Stable signalNo paid features detectedMedium-risk permissions
exec JavaScript
Inject your own JS code on any website
Users1KCurrent public install base
Rating3.3Store average score
Reviews3Public review volume
Manifest versionV3Extension platform version
7-day growth0Net users gained this week
7-day growth rate0%Relative weekly velocity
Preview
1 assetsexec JavaScript Media preview
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7-day rating change
Start
3.33
Latest
3.33
7-day rating change
0.00
2026年7月14日2026年7月20日
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00%Technical snapshot
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Version2.3.0
ManifestV3
Size329KiB
Languages1English
Published
Store updated
Last crawled
English
Overview
Product summary
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This extension created to inject your custom JavaScript code into almost any website
When you injecting your code - it will be automatically saved, or you can just hit the save button
Also you can hit R/X/F buttons, they contain code prefabs and means: [const R with return function to test it/let X with console.log/simple Function]
If you getting some error, just click on it, when its appears, and copy it via CTRL+C
After right-clicking on the extension icon, you can:
1. Remove the icon
Reviews
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Store average score3.3Chrome Web Store aggregate rating, including ratings without synced review text
Synced text average2.5Average computed only from synced review bodies below
Reviews with text2Synced review bodies
Total ratings / reviews3Chrome Web Store public rating/review count
Store average score: 3.3. 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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Sadly no autorun.
Nice extension. Please consider adding some features like different code on different page or execute the code after reload/enter the page.