Firefox add-on with keyword - style

Show tabs like a tree.

Change the appearance of the web instantly

Redesign your favorite websites with Stylus, an actively developed and community driven userstyles manager. Easily install custom themes from popular online repositories, or create, edit, and manage your own personalized CSS stylesheets.

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Add custom JavaScript codes or styles to any page.

With this extension you can check text with the free style and grammar checker LanguageTool. It finds many errors that a simple spell checker cannot detect, like mixing up there/their, a/an, or repeating a word.

Tab unload options for Tree Style Tab.

Save an entire web page—including images and styling—as a single HTML file.

Bookmark and restore Tree Style Tab data.

Personalize your browser with our preset GX themes or choose your favorite colors and give your browser your personal style.

Simple style fox

Simple style fox 2

This add-on requires Tree Style Tab. It extends Tree Style Tab to allow tab changing by mouse wheel scrolling and reloading a tab when double clicking it.

Restyle the web with xStyle, a user styles manager. With xStyle you can install themes & skins for many sites and create your own.

Move tabs in the Tree Style Tab Sidebar without them becoming active.

Clicking active tab activate the last active one in Tree Style Tab.

Japan Style - Rising Sun & Kanagawa Great Wave (Hi RES Version)

Simple print styles for saving Twitter threads as PDFs.

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Смена тем и оформлений ВКонтакте. После установки в меню вконтакте появится кнопка «Галерея тем» и там можно выбрать и применить любую понравившуюся тему.

Open Tree Style Tab's sidebar page in a new window.

Fonts & Colors Finder

Returns the image display to the old display. (Black background, center display → white background, upper left display)

A user style manager which can load local files and apply UI styles even in Firefox 57+

A beautiful modern material light theme for Firefox inspired by Google Chrome's new material design