CustomCSS Injector

- Apply any CSS rules for any websites, including iframes. - Whitelist and Blacklist functionality - Apply CSS rules to specific URLs, Domains or Globally - Syntax highlighting & line numbers - Update without page refresh

CustomCSS Injector: Control the Look of Your Web Pages

CustomCSS Injector is a unique Firefox add-on, powerfully designed to let you customize the appearance of any website as per your preference. It provides you with the power to change colors, backgrounds, resize elements and even hide those you find intrusive, all by applying your own CSS rules. The add-on includes features such as applying CSS rules based on specific URLs, Domains or Globally, coupled with a whitelist/blacklist functionality. Further enhancing your experience are syntax highlighting and line numbers courtesy of PrismJS, making your coding readable and accessible.

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View on Firefox Browser Add-ons

Add-on stats

By: Blizz3

Users: 1,112

-20

Rating: 4.41

(17)

Version: 1.3.2 (Last updated: 2020-04-02)

Creation date: 2019-07-06

Weekly download count: 44

Firefox on Android: Yes

Risk impact: Moderate risk impact

Risk likelihood:

Low risk likelihood

Manifest version: 2

Permissions:

storage
<all_urls>
contextMenus
notifications

Size: 44.31K

Email: br*****@gmail.com

URLs: Website

Ranking

# 2,934 ▼ 15

Other rankings

#169 in Feeds, News & Blogging ▼ 1

#348 in Web Development ▼ 1

#354 in Social & Communication ▼ 3

#6 in inject keyword 8

#26 in rule keyword 9

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Other platforms

Not available on Chrome

Not available on Android

Not available on Edge

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Add-on summary

Analyze keywords

Custom CSS Injector lets you write any CSS rules and apply them to any website you like. Change colours, backgrounds, resize and hide obtrusive elements. Anything you can do within the power of CSS! Simply write the CSS you want to apply in the provided text field and click 'Save' (NO page refresh required!). Apply the CSS to the URL, Domain or Globally by using the radio buttons provided. There is also a whitelist/blacklist functionality to govern which websites you'd like to apply the CSS to. Enjoy syntax highlighting and line numbers for code readability (Thanks to PrismJS!)

User reviews

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.

Pros