Stylusvs
Tampermonkey
Tampermonkey: User script manager that allows custom JavaScript modifications to websites, offering more programmatic control than CSS-only customization.
Stylus
Restyle the web with custom CSS
As of 30 August 2026, Stylus is free to use. Stylus is a user styles manager that lets you customize website appearances with custom CSS. Softwr lists it under Browser Extensions. Stylus is made by Stylus Team, launched in 2017, available on Browser extension.
Overview
What Stylus does
Stylus is a user styles manager that lets you customize website appearances with custom CSS. Install themes from userstyles.world or create your own to change the look of your favorite websites.
What people use it for
- Customizing website appearance with community-created CSS themes
- Writing personal style overrides for specific websites
- Managing multiple styles across different websites automatically
- Searching and installing user-styles for current websites
- Migrating style collections from Stylish extension
Related searches
The honest half
Where it falls short
Concrete and checkable, so you can decide whether any of them matter to you. This is the half of a review a vendor will not write about Stylus.
- Crashes and instability when applying certain styles
- No visual element selector tool for identifying page elements to style
- Security risk if downloading and applying untrusted user-created styles
Cross-shopped
What people choose instead of Stylus
Each pairing was judged by two reviewers asking whether a buyer would genuinely weigh the two against each other. The ones that failed were deleted rather than published.
- StylusvsDark Reader
Dark Reader: Browser extension that automatically applies dark mode to websites, focusing on readability and eye comfort.
- StylusvsAdBlock Plus
AdBlock Plus: Content blocking extension that can be customized with CSS rules to modify website appearance and hide elements.
Pricing
What Stylus costs
Taken from the vendor's own pricing page. Prices move, so check before you buy.
Free
Free
- Custom CSS
- Style library
- Style editor
- Auto-update
Capabilities
Features
Custom CSS injection
Style management
userstyles.world integration
Built-in editor
Chrome support
Available on chrome
Firefox support
Available on firefox
Edge support
Available on edge
Opera support
Available on opera
Answered, with sources
Questions people ask
Each answer names the page it came from, so you can check it rather than take our word for it.
Is Stylus free?
Yes. Stylus is completely free and open-source, available for Chrome, Firefox, Edge, and Opera browsers.
SourceCan I use Stylus to change the browser UI?
No. Due to WebExtensions security restrictions, Stylus can only customize website pages, not the browser interface itself.
SourceWhat CSS pre-processors does Stylus support?
Stylus supports CSS, LESS, and Stylus syntax with built-in linting using Stylelint and CSSLint-mod with customizable rules.
SourceBehind it
Who makes Stylus
- Company
- Stylus Team
- Based in
- Open Source Project
Keep looking
Where to go from Stylus
- Stylus alternativesEvery product people weigh against it
- Stylus pricingPlans, floors and what the tiers exclude
- Stylus badgesWhich rules it meets, and the figure behind each
- All Browser Extensions softwareThe full category
- Best Browser Extensions softwareThe shortlist, and how it was cut
Best Browser Extensions software for
Compare Stylus with
- Tampermonkey
- Dark Reader
- AdBlock Plus
- Arc
- ColorZilla
- Raindrop.io
- SimilarWeb
- Awesome Screenshot
- BuiltWith
- Keeper
- Night Eye
- Honey
- LanguageTool
- Mercury Reader
- Momentum
- ProWritingAid
- Keeper
Other Browser Extensions software
Softwr does not host reviews and shows no star rating for Stylus, because a rating we did not collect is not ours to publish. What is here is the pricing and platform detail from the vendor’s own pages, limitations we could state concretely, and alternatives a reviewer confirmed people weigh against it. Tell us if any of it is wrong.
More on Stylus
Stylus alternatives
What people switch to, and what they give up
Stylus pricing
Every tier, and where the cost actually lands
Compare Stylus
Put it head to head with anything we hold
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Best Browser Extensions software alternatives
Dark mode for every website
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