Run Javascript

Run Javascript

Run custom Javascript, each time you visit a website

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.
Merlin
Stats
Users: 30,000+
Rating: 4.23 (43)
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
URLs: Website
Stats date:

Other platforms

Not available on Firefox
Not available on Edge
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Merlin
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 Chrome Web Store does not verify user reviews, so some user reviews may be inaccurate, spammy, or outdated.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 personal quality of life changes
  • Easy to use
  • Helpful for web app workflows
  • Useful for removing ads
  • Useful for replacing image urls
  • Can create personal UI for websites
Cons
  • Not working for some users
  • Issues with tracking requests
  • Issues with Chrome versions
  • Issues with localhost
  • Missing features like cloud backup and prefiled event listeners
Most mentioned
  • Not working
  • Useful
  • Excellent tool
  • Issues with runtime.lastError
  • Great for personal use
Recent reviews
by Francisco Velazquez Francisco Velazquez, 2024-03-25

Its not working now! what happened new update?
by Papa Smurf Papa Smurf, 2024-03-26

Works exactly as advertised. Makes it easy to add personal quality of life changes and features to certain web apps. Has become an invaluable tool in our daily workflows. Very helpful indeed.
by Amcol Hardware Amcol Hardware, 2024-01-25
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.

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Screenshots
Promo images
Run Javascript small promo image
Small promo image
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