Stable signalUnknownHigh-risk permissions
Run Javascript icon

Run Javascript

Run custom Javascript, each time you visit a website

Users20KCurrent public install base
Rating4.1Store average score
Reviews50Public review volume
Manifest versionV3Extension platform version
7-day growth0Net users gained this week
7-day growth rate0%Relative weekly velocity
Preview

Run Javascript Media preview

2 assets
Trend

User growth trend

Review user movement across collected snapshots.

User Growth Over Time

20K20K20K20K20K2026年7月13日2026年7月16日2026年7月19日Latest: 20K
Rating trend

7-day rating trend

View collected rating snapshots from the latest 7-day window to assess rating stability.

7-day rating change

Start
4.10
Latest
4.10
7-day rating change
0.00
4.004.054.104.154.202026年7月13日2026年7月16日2026年7月19日Latest: 4.10
2026年7月13日2026年7月19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.

Version5.1.1
ManifestV3
Size1.03MiB
Languages1English
Published
Store updated
Last crawled
English
Overview

Product summary

Review the store description, core capabilities, and common use cases.

🐘 Transform Any Website Into Your Personal Playground with Custom JavaScript

The Ultimate Chrome Extension for Web Developers, Power Users & Automation Enthusiasts

Take complete control of your browsing experience! This powerful extension lets you run custom JavaScript on

any website automatically, turning every page into your personal development sandbox.

## ✨ What Makes This Extension Amazing?

🎯 Instant Website Customization

Reviews

Recent review snapshot

Inspect the latest comments and rating distribution.

Store average score4.1Chrome Web Store aggregate rating, including ratings without synced review text
Synced text average4.0Average computed only from synced review bodies below
Reviews with text40Synced review bodies
Total ratings / reviews50Chrome Web Store public rating/review count

Store average score: 4.1. 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
25
4
3
3
5
2
1
1
6
Mustafa Sayılan2025年10月20日
1

The extension keeps opening its own website repeatedly, even when the app is inactive. This behavior raises serious security and privacy concerns. Automatically redirecting users without their consent creates a negative impression about the extension’s reliability.

Version 5.1.1Language en
1 helpful · 0 not helpful
Fred Desroches2025年8月23日
3

Was working great until it decided to pop a tab every time i start the browser. it has to stop. I am close to switching to Tampermonkey please...

Version 5.0.0Language en
1 helpful · 0 not helpful
Benjamin Taylor2025年8月15日
5

What a lovely update. Thank you. I have loved this for years!

Version 5.0.0Language en
1 helpful · 0 not helpful
Dennis Briner2025年7月18日
2

Now whenever I restart the browser it opens this URL: https://ataiva.com/run-javascript-chrome-extension-help/ Probably came with some update.

Version 4.1.1Language en
4 helpful · 0 not helpful
André Luiz Bianchini2024年8月24日
5

Funciona muito bem! Excelente!

Version 3.0.1Language pt
Алексей Видеман (WhiteLight)2024年8月10日
5

Так как JSRunner CTH почему-то перестал выполнять скрипты, то мне пришлось искать новое расширение. Я нашёл Run Javascript, оно работает и очень простое. Я рад! Использую расширение для автоматического отклика на вакансии c:

Version 3.0.1Language ru
Vi Azuaga2024年7月21日
1

Não funciona.

Version 3.0.1Language pt
i9l121 ihr8f2024年5月24日
5

better than was a - JavaScript and css extension .

Version 3.0.1Language en
2 helpful · 0 not helpful
Papa Smurf2024年3月26日
5

Its not working now! what happened new update?

Version 3.0.1Language en
5 helpful · 0 not helpful
Test Gmail2024年3月26日
1

Tracking request popped up and it stopped working. Maybe it was their blog's tracking request, either way, doesn't work.

Version 3.0.0Language en
4 helpful · 2 not helpful