Custom JavaScript for Websites 2

Run custom JavaScript on any website.

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Custom JavaScript for Websites 2 - Enhance Your Browsing Experience

'Custom JavaScript for Websites 2' is a Chrome extension that permits users the flexibility to run their own custom JavaScript on any website. The custom scripts are stored via Chrome's Sync API and are applicable across domain URLs based on the domain or regular expression. The extension features a dedicated tab for code editing and supports built-in libraries and personal external scripts, aiding in website debugging, information extraction, ad blocking and UI customization.

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Extension stats

By: xcv58

Users: 50,000+

Rating: 4.37

(131)

0.03

Version: 3.4.12 (Last updated: 2023-02-20)

Creation date: 2020-04-28

Permissions:

storage
http://*/
https://*/
tabs

Size: 602.11K

Email: ch*****@xcv58.com

Full description: See detailed description

Ranking

# 3,669 ▲ 75

Other rankings

#621 in Developer Tools ▼ 2

#4 in javascript keyword 23

#13 in jquery keyword 6

#35 in inject keyword 3

#40 in script keyword 29 ▲ 4

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Other platforms

Not available on Android

Not available on Firefox

Not available on Edge

User reviews

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 Chrome Web Store does not verify user reviews, so some user reviews may be inaccurate, spammy, or outdated.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

Works great for injecting custom JavaScript into websites
Long-time user favorite, loved by many
Saves time by allowing customization on various websites
Allows easy inclusion of libraries like jQuery

Cons

Doesn't work on every website, especially those with certain security settings
Requires the developer console to be open for some users to function correctly
Concern about future support due to Chrome's manifest updates

Most mentioned

Fantastic for customization and ease of use
Issues with certain websites blocking scripts
Long-time users express sadness over potential removal
Requests for features like automatic script loading on page load

User reviews

Please please update your extension! It's no longer supported! :'(

Endre Varga, 2025-03-08

Epic!

Byte Afterlife (Byte), 2025-01-18

Doesn't work on every website. You'll get "Blocked script execution in 'about:blank' because the document's frame is sandboxed and the 'allow-scripts' permission is not set." on YouTube when trying to access the document.

NotAHackusator, 2024-10-31

View all user reviews

Extension safety

Risk impact

Custom JavaScript for Websites 2 requires some sensitive permissions that could impact your browser and data security. Exercise caution before installing.

Risk impact analysis details

Critical Allows access to all websites, posing a significant security risk as it can monitor and modify data from any visited site.
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Risk likelihood

We don't have sufficient data to confidently determine the risk likelihood of Custom JavaScript for Websites 2. Use it at your own risk.

Risk likelihood analysis details

High This extension has low user count. Unpopular extensions may not be stable or safe.
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