Run Javascript

Run Javascript

Run custom Javascript, each time you visit a website

Run Javascript
What is Run Javascript?
'Run Javascript' is a Chrome extension designed for web developers and tech-savvy individuals. It enables users to run custom Javascript on any web page, injecting the script to manipulate the DOM every time the website is visited. The extension also comes with jQuery 3.3.1 pre-loaded for user convenience.
Stats
Users: 30,000+
Rating: 4.25 (44)
Version: 3.0.1 (Last updated: 2024-03-26)
Creation date: 2020-05-23
Risk impact: Low risk impact
Risk likelihood: Moderate risk likelihood
Manifest version: 2
Permissions:
  • storage
  • activeTab
Size: 2.29M
Stats date:

Other platforms

Not available on Firefox
Not available on Edge
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Summary

Run custom Javascript, each time you visit a website.

This extension is particularly useful to web developers and people who like to tamper with websites they frequent by injecting additional javascript to manipulate the DOM.

Add in any javascript you like and it will automatically be executed everytime you visit the website in the future.

jQuery 3.3.1 is pre-loaded, so you can use all the $ magic immediately!

User reviews
User reviews summary
These summaries are automatically generated weekly using AI based on recent user reviews. Chrome Web Store does not verify user reviews, so some user reviews may be inaccurate, spammy, or outdated.
Pros
  • Useful for adding personal quality of life changes to web apps
  • Ability to delete ads with one line of code
  • Useful for replacing image urls on a website
  • Great for creating personal UI for frequently visited sites
Cons
  • Issues with working on specific pages rather than whole domains
  • Error when running on localhost
  • Error message: 'Unchecked runtime.lastError: Could not establish connection. Receiving end does not exist.'
Most mentioned
  • Error message: 'Unchecked runtime.lastError: Could not establish connection. Receiving end does not exist.'
  • Useful for adding personal quality of life changes to web apps
Recent reviews
better than was a - JavaScript and css extension .
by i9l121 ihr8f i9l121 ihr8f, 2024-05-24

by Francisco Velazquez Francisco Velazquez, 2024-03-25

Its not working now! what happened new update?
by Papa Smurf Papa Smurf, 2024-03-26
View all user reviews
Safety
Risk impact

Run Javascript is relatively safe to use as it requires very minimum permissions.

Risk likelihood

Run Javascript is probably trust-worthy. Prefer other publishers if available. Exercise caution when installing this extension.

Upgrade to see risk analysis details
Promo images
Run Javascript small promo image
Small promo image
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