Custom Style Script

Custom Style Script

Add custom JavaScript codes or styles to any page.

  • Custom Style Script
  • Custom Style Script
  • Custom Style Script
What is Custom Style Script?
Custom Style Script is a Firefox add-on designed to customize the look and behavior of any webpage. It allows users to add custom JavaScript codes or Cascading Style Sheets (CSS) styles to any specific page or all pages. Users can disable or enable the add-on simply by clicking on the toolbar icon. Code items can be adjusted according to user's preference, with a validated JS or CSS code, even online JavaScript or CSS links may be added to any page.
By: Milen
Users: 2,733 ▲ 47
Rating: 3.88 (66)
Version: 0.1.4 (Last updated: 2020-04-20)
Creation date: 2015-07-09
Weekly download count: 43
Firefox on Android: Yes
Risk impact: High risk impact
Risk likelihood: Low risk likelihood
Manifest version: 2
  • tabs
  • storage
  • <all_urls>
Size: 51.31K
URLs: Website
Stats date:

Other platforms

Custom Style Script
Custom Style Script (v0.1.6)
4.37 (35) 10,000
Not available on Edge
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Custom Style Script customizes the way a webpage looks or behaves, by adding a small JavaScript or CSS code. You can also specify a URL to add the code or add it to all pages.

Key features:

  1. Add custom JavaScript codes or styles (CSS) to a specific page or all pages.
  2. Clicking on the toolbar icon allows you to disable or enable the addon.
  3. Each code item has several options to adjust (see options page for details).
  4. You can add several code items and active or inactive them separately.
  5. An example of how to add a code is available in the add-on's options page.
  6. Before adding the code (JS or CSS) please make sure you have validated the code.
  7. Online JS or CSS links (i.e. jQuery or bootstrap) can also be added to any page. See add-on's options page for details.

Note: to report bugs, or request a feature, please visit the add-on's homepage and fill the bug report form.

Review on YouTube:

User reviews
User reviews summary
These summaries are automatically generated weekly using AI based on recent user reviews. Firefox Browser Add-ons does not verify user reviews, so some user reviews may be inaccurate, spammy, or outdated.
  • Works as intended
  • Useful for customizing websites
  • Helpful for fixing layout issues
  • Some UX issues
  • Does not alert for accidental delete
  • Does not support reading local files
Most mentioned
  • Works as intended
  • Useful
  • Does not work
Recent reviews
by Prem, 2024-04-16

by Prem, 2024-04-16

by Coco, 2024-03-15
View all user reviews
Risk impact

Custom Style Script is risky to use as it requires a number of sensitive permissions that can potentially harm your browser and steal your data. Exercise caution when installing this add-on. Review carefully before installing. We recommend that you only install Custom Style Script if you trust the publisher.

Risk likelihood

Custom Style Script has earned a fairly good reputation and likely can be trusted.

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