A quick and easy way to add custom CSS to the current web site.

Latest Version

Version
2.2
Update
October 23, 2017
Size
298KiB
Developer
dimox.name
Category
Users
60,000+
Rating
3.5947 ★
Manifest Version
2
Web Store Status
Languages Support
English
See more
Permissions
Tabs
Http://*/*
Https://*/*
See more

User CSS Extension

Insert your custom CSS code to the current web site and you will see the changes immediately.

How to use:

1. Press the extension button to display the CSS editor.
2. Write your custom CSS.
3. Enjoy the result.
4. Press the extension button to hide the CSS editor.

Button shows a green indicator, when current web site has custom CSS.

The extension uses CodeMirror to highlight code and supports the Emmet toolkit.
Read more

Source Manifest.json

{"update_url": "https://clients2.google.com/service/update2/crx","name": "User CSS","description": "A quick and easy way to add custom CSS to the current web site.","version": "2.2","browser_action": {"default_icon": "icon-19.png"},"permissions": ["tabs","http://*/*","https://*/*"],"background": {"persistent": false,"scripts": ["js/background.js","js/hot-reload.js"]},"options_page": "options.html","content_scripts": [{"matches": [""],"js": ["js/jquery.min.js","js/codemirror/codemirror.min.js","js/codemirror/mode/css.js","js/codemirror/addon/active-line.js","js/codemirror/addon/closebrackets.js","js/codemirror/addon/matchbrackets.js","js/codemirror/emmet.min.js","js/style.js"],"css": ["css/style.css"],"document_idle": "document_start"}],"web_accessible_resources": ["options.html","css/themes/3024-day.css","css/themes/3024-night.css","css/themes/abcdef.css","css/themes/ambiance.css","css/themes/base16-dark.css","css/themes/base16-light.css","css/themes/bespin.css","css/themes/blackboard.css","css/themes/cobalt.css","css/themes/colorforth.css","css/themes/dracula.css","css/themes/eclipse.css","css/themes/elegant.css","css/themes/erlang-dark.css","css/themes/hopscotch.css","css/themes/icecoder.css","css/themes/isotope.css","css/themes/lesser-dark.css","css/themes/liquibyte.css","css/themes/material.css","css/themes/mbo.css","css/themes/mdn-like.css","css/themes/midnight.css","css/themes/monokai.css","css/themes/neat.css","css/themes/neo.css","css/themes/night.css","css/themes/paraiso-dark.css","css/themes/paraiso-light.css","css/themes/pastel-on-dark.css","css/themes/railscasts.css","css/themes/rubyblue.css","css/themes/seti.css","css/themes/solarized.css","css/themes/the-matrix.css","css/themes/tomorrow-night-bright.css","css/themes/tomorrow-night-eighties.css","css/themes/ttcn.css","css/themes/twilight.css","css/themes/vibrant-ink.css","css/themes/xq-dark.css","css/themes/xq-light.css","css/themes/yeti.css","css/themes/zenburn.css"],"icons": {"16": "icon-16.png","19": "icon-19.png","48": "icon-48.png","64": "icon-64.png","128": "icon-128.png"},"manifest_version": 2}
Read more

How to download and manually install User CSS extension for Chrome

Looking for a way to install User CSS extensions for Chrome, you can search for them in the Chrome Web Store, clicking the "Add to Chrome" button, and following the straightforward process.

However, you may need to install User CSS extensions manually, this article outlines two simple methods to effortlessly install User CSS extensions, whether they come as unpacked folders in compressed formats like .zip or as .crx files.

Method 1: Download User CSS extension and manually install through Drag &Drop

If you ever need to manually install a User CSS extension for Chrome, don't worry, it's a simple process. Just follow these easy steps, and you will have your extension ready to use in no time.

Step 1: Download the User CSS Extension by clicking the "Download CRX" button on the website.

Look for the User CSS extension you wish to install. Go to the website and download the User CSS extension package, which is usually a .CRX file and comes in a zipped file. Here ".crx" file is the format for User CSS extension that contains all the data.

Step 2: Extract &Arrange Files

Once the file is downloaded, extract that file into its own folder. Similarly, give that extension files a permanent home. In other words, keep it in a folder that you don't accidentally delete it because these files will be needed to make that extension work.

Step 3: Go to the Chrome Extensions Page

Open Google Chrome and in the address bar, type chrome://extensions; it will open the Google Chrome extensions page. Make sure that "My extensions" is selected in the sidebar.

Step 4: Drag and Drop the Extension

Now, go to the folder where you extracted the User CSS extension and drag &drop the extension file from there anywhere onto the extension page within Google Chrome.

Step 5: Complete the Installation

Once you drag and drop the extension file, follow the steps that Google Chrome takes you through. Similarly, if the extension file is of .crx file format, you will be required to review the permissions and then add the extension.

Now, you can manage that added extension as you would like to with any other Chrome extension that you added through Chrome Webstore. Its icon will also appear in the Google Chrome Menu on the right side of the address bar once you activate it.

Method 2: Download User CSS extension for Chrome and install in Developer Mode

This is another method to install User CSS extension manually, but the twist is that here, you install by enabling the developer mode option provided in Google Chrome. This mode is commonly used for testing extensions or running unpublished tools.

Step 1: Download the User CSS extension file

Select and download the User CSS extension by clicking the 'Download CRX' button on the website.

Step 2: Extract the downloaded contents

Convert the file to a ZIP file if it is in CRX format then extract the User CSS extension zip file or folder that you downloaded. Make sure you extract it using the same folder name and keep it safely in another folder, so you don't delete it by mistake. The extracted folder will be needed to keep your User CSS extension running.

Step 3: Open Chrome Extension Setting Page

In the address bar of Google Chrome, type chrome://extensions and open the Chrome Extension Page.

Step 4: Enable Developer Mode

After opening the Chrome Extension page, look at the top right side, and you will find the toggle option of "Developer mode."Simply enable that developer mode option.

Step 5: Load the Unpacked Extension

Once you enable the developer mode option, you will see the menu of Load Unpacked, Pack Extensions and Update. From that, select the option "Load unpacked."

Step 6: Select the Extension Folder

Once the pop-up opens upon clicking Load unpacked, select the User CSS extension directory and click on the "Select Folder "button.

Step 7: Confirm and Install

After you select an extension folder of a Google Chrome extension you're installing manually, confirm its installation for the final time and let the installation complete.

Conclusion

Here we've made a step-by-step guide on How to manually install User CSS extension in 2 ways. We hope this guide proves helpful.

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User reviews

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Sebi Sebimm (ID: 0000001693d9e51d) Voted 5 ★ - Updated 11/07/2023 Die Erweiterung tut genau, wofür ich sie brauche und wofür sie beworben wird: Man kann mal eben schnell ein paar optische Anpassungen an einer Webseite machen, ohne direkt ein komplett anderes Theme oder einen "Styler" benutzen zu müssen. Die haben auch ihre Berechtigung, aber manchmal reicht es schon, wenn bspw. bestimmte Textblöcke einen ticken größer dargestellt werden.

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Scott Henry (ID: 0000002c0478d629) Voted 2 ★ - Updated 11/06/2023 I can't rate this extension yet but I'd like to. Looks like it requires jQuery? Getting this error in the Console: scripts.js:315 Uncaught ReferenceError: jQuery is not defined at scripts.js:315:4

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Роман Бондар (ID: 000000a6eb67bdfa) Voted 5 ★ - Updated 10/23/2023 Стиль CSS для документации Microsoft DotNET - удалось поменять. Стиль CSS для документации UNREAL ENGINE - трудно работает сам редактор (стили успешно меняются на сайте). Но проблема: обратный эффект - стили сайта влияют ПЛОХО - на стиль самого редактора строк этого Аддона). Становится сложно редактировать.

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Gino Côté (onigetoc) (ID: 0000005a04accd66) Voted 2 ★ - Updated 10/07/2023 i do not see any css injection until now.

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Bryan Lee (ID: 0000002ab8b57cf5) Voted 1 ★ - Updated 08/14/2023 No longer works in 2023.