superUserContent alternatives

Free 13 alternatives

superUserContent is a Firefox plugin that lets you create a new directory in your profile’s chrome directory. You can load stylesheets in the browser from plaintext files into your profile. Moreover, you can also use this directory as a runtime path for CSS stylesheets. The tool will apply random stylesheets that it finds in the directory pages. The changes to files will take effect when the page refreshes.

You can make rapid prototypes or try out new changes without busting your cache and use your own editor and CLI tools to maintain themes. The tool is best suited for designers and developers who want to showcase their work and change the look and feel of the sites they frequently use. All in all, superUserContent is a great tool that you can consider among its alternatives.

Ranked alternatives

1
StylishFree
Stylish is a user style manager that allows you to can change the appearance of a website by adding custom stylesheets. With this tool, you can customize any website in a few clicks with your favorite color scheme. It offers thousands of different user styles, skins, themes, backgrounds, etc., to apply as per your liking.
You can also customize website backgrounds, social network accounts, fonts, icons, and even animations or delete the currently installed style. Moreover, you can also create your own custom style and share it online with the community. All in all, Stylish is a great tool that you can consider among its alternatives.
Stylish alternatives
2
StylemFree
Stylem is an open-source, web-based application for managing your user style themes without any downloads. The tool is built using JavaScript and Cascading Style Sheets with cross-browser compatibility. You can also manage CSS comments, code blocks, and inline styles as well. It’s also possible to create global style rules using advanced scoping. You can create custom CSS files for any element of any website or any part of your browser. All in all, Stylem is a great tool that you can consider among its alternatives.
Stylem alternatives
3
OpenUserCSSFree
OpenUserCSS theme repository is a place for web designers and developers to showcase their work, learn from others, and improve their skills. It contains themes for websites like blogs, web magazines, or other creative pursuits. Each theme is contributed by a different author and comes with its own license. Multiple themes are available with color codes related to specific sites like YouTube, Ubuntu, and Firefox Dark, etc. All in all, OpenUserCSS is a great tool that you can consider among its alternatives.
OpenUserCSS alternatives
4
CascadeaPaid
Cascadea is an extension for iOS that makes creating custom styles for any website effortless. It’s like having a personal style manager. You can just hover over any element on the page to instantly apply its pre-built styles. Moreover, you can create your own custom styles with just a few clicks of your mouse. The tool also comes with tons of styles, all organized inside a simple browser sidebar that can be customized to include more styles than shown.
Cascadea supports UserCSS styles using range and number variables, giving you even more options for configuring your styles. Whether you want to remove clutter from a busy site, make a custom dark theme for eye-catching view, prototype new CSS for a web app you develop, or just install styles that other people have made, Cascadea makes it easy to write, use, and share custom CSS.
With syntax highlighting, auto-completion, code folding, beautification, and more, it includes everything you need to write your custom CSS without needing a separate editor. Within a single style, you can also create sections with their own separate rules for which sites to affect, so one Cascadea style can contain unique CSS for different websites. All in all, superUserContent is a great tool that you can consider among its alternatives.
Cascadea alternatives
5
StylusFree
Stylus is a user style manager that enables you to change the look and feel of a website. It allows you to access and install several themes & skins and apply them to major websites. It is open-source and is available as a browser extension. Besides downloading pre-built items, you can also create, customize and manage your own styles. The extension regularly receives new updates aimed at fixing issues and introducing new features. Other features include fully customizable UI, backing up theme collection, checking for latest updates, and multiple optional code validators.
Stylus alternatives
6
StylebotFree
Stylebot is a browser extension for Firefox and Chrome that enables you to change the look & feel of the web. It includes an editor that lets you modify several elements instantly. Changes can be applied to font, visibility, color, margins, and more. You can also write CSS code to add further customizations.
Stylebot provides an easy-to-use interface that allows you to add changes with a few clicks. Tap on the box to pick the desired font or specify size, style, and alignment. It also offers a readability option that hides unimportant objects from a site, such as advertisements, sidebars, and footers. Lastly, it saves all modifications instantly.
Stylebot alternatives
7
Dark ReaderFree
Dark Reader is an easy-to-use extension for Firefox, Chrome, Microsoft Edge, and Safari that enables you to apply Dark Mode to all websites. It eases the pressure on your eyes by changing the theme of the site to Dark color. The extension detects the page open in the browser and offers the option to switch the theme to Dark. It includes several other options that you can change, such as Brightness, Contrast, Font, Sepia Filter, and Grayscale. Dark Reader is open-source with a repository on GitHub. It is free from advertisements and doesn’t collect private information.
Dark Reader alternatives
8
FreeStylerWsFree
FreeStylerWs is a platform that provides a large collection of tools to help you change the appearance of websites. The plugins are easy to use & manage and can be customized by professional users. You can search for a specific plugin by typing its name in the search bar. The platform will perform a deep search and display all the matching items in the search results.
The search results can be sorted based on Name, Relevance, Rating, Updated On, Created, and Total Installations. To install any plugin, you first have to download and set up FreeStylerWs on your computer. Styles are available for multiple websites, including Tumblr, Facebook, Google, Github, Feedly, Reddit, Twitter, Roblox, Wikipedia, Twitch, YouTube, Yahoo, 4chan, Trello, and many more.
FreeStylerWs alternatives
9
Amino: Live CSS EditorFree
Amino is a Live CSS Editor for Google Chrome that enables you to write your own code and check the effects in real-time. It is a useful tool for styling websites and changing several elements such as layout, fonts, and colors. It instantly detects and applies the changes to the page, enabling you to code and view the difference simultaneously. The extension has an inspect tool that can scan and identify selectors used by a website.
You can synchronize the CSS with the cloud and instantly fetch the data on any Desktop. It enforces strict privacy principles and doesn’t sell personal information to third parties. Other features include Syntax highlighting, CSS formatting, Color picker tool, Light and dark theme, free-of-cost cloud storage, SCSS/Sass support, automatic indentation/outdentation, and more.
Amino: Live CSS Editor alternatives
10
xStyleFree
xStyle is a user style manager that enables you to make changes to the design of a website. It is available for Chrome and Firefox and lets you download themes & skins or create a custom one to apply to a website. All the installed items can be viewed and customized from the styles section.
Developers or people with knowledge of programming can add changes to a downloaded theme using the edit or advanced options. Besides customization, you can permanently remove a theme or check for the latest patches. xStyle also enables you to export & import several items on OneDrive, Dropbox, or Google Cloud.
xStyle alternatives
11
Stylus – User Styles ManagerFree
Stylus is a free-to-use styles manager for your web application, allowing you to conveniently download themes and different skins for many current websites. This utility provides you great ability to give your website a new look, and there is no need for coding, and there are a lot of options to choose custom themes from popular online repositories. Or even you can create and edit your own as well.
With thousands of different styles available at your fingertips, Stylus cuts down on time and hassle it takes to browse through themes. There are multiple features for you that include versatile theme installation options, backup options for databases, highly customized UI, two different code validators, user-configurable rules, and more to add.
Stylus – User Styles Manager alternatives
12
Navi Live CSS EditorFree
Navi Live CSS Editor lets you write CSS code and view the changes simultaneously. It is a powerful extension that offers a wide range of features, including Dark theme, Syntax highlighting, Error detection, code warnings, keybindings, and collapsible code blocks. The best feature about Navi Live CSS Editor is that it automatically saves the changes and renders them on your browser, making it easy for you to spot mistakes instantly. The developers behind the extension are fully committed to the project and have given a roadmap that indicates upcoming features.
Navi Live CSS Editor alternatives
13
ColorificFree
Colorific is a great all-in-one tool that is designed to provide complete one-color inversion, brightness scaling, and hue filtering intended for web pages. It allows you to accept web content for reading, printing, beaming, and saving. It provides an on-demand one-click inversion service for the visually impaired and is completely automated. With Colorific, there is no need for additional plugins or extensions, which means Colorific will work perfectly on any device, and you don’t need instruction in order to use it. With just one click, you can get more than a bunch of gray items.
Colorific alternatives