What Is UserStyles.org Archive (uso.kkx.one)?

Updated

UserStyles.org Archive at uso.kkx.one is a mirror of the original userstyles.org site, described by its operators as an ad-free, spyware-free copy. It exists to keep userstyles content reachable, so it is most useful when the original site is unavailable, cluttered with ads, or you want to browse styles without extra tracking or bundled software. It is an archive, not a new style marketplace, so expect preserved content rather than fresh publishing features.

What the archive is for

Userstyles are custom CSS themes that change how websites look, such as a dark theme for a forum or a cleaner layout for a web app. The original userstyles.org hosted thousands of these styles. The archive keeps that catalog accessible in a lighter form.

The site's own description sets two expectations:

  • Ad-free: pages are meant to load without the advertising that can make style browsing slow or noisy.
  • Spyware-free: the mirror claims not to bundle tracking or unwanted software, which matters because userstyle sites have historically been targets for injected scripts and shady installers.

What you can expect to find

Area What it means in practice
Style listings Mirrored pages for userstyles that existed on the original site
Style details The CSS and description attached to each mirrored style
Browsing A way to search or page through the archived catalog
Installation You still need a userstyle manager in your browser to apply a style

Because it is a mirror, the archive reflects what was captured from the original site. Very recent styles or edits made after the last capture may not appear.

How to use it

  1. Open the archive at https://uso.kkx.one in your browser.
  2. Find a style by browsing the listings or searching for the site you want to restyle, such as a specific domain or app name.
  3. Read the style page to confirm it targets the site you use and check the CSS for anything unexpected.
  4. Install a userstyle manager in your browser first. A manager is the extension that applies userstyles; the archive only supplies the code.
  5. Add the style through your manager, either by importing the style's code or using the manager's install option if the page offers one.
  6. Verify the result by reloading the target website. If nothing changes, check that the style is enabled and that its URL patterns match the site you are on.

Common sticking points

  • Styles that no longer match the site. A mirrored style may target an older version of a website, so its selectors can stop working after a redesign. Test on the live site before relying on it.
  • Missing manager. Without a userstyle extension, the archive's CSS does nothing. Install the manager before troubleshooting the style itself.
  • Archive gaps. If a style is not in the mirror, the archive cannot supply it; the original source or another mirror would be the fallback.
  • Trust still matters. "Spyware-free" describes the mirror's own pages. The CSS inside a mirrored style is still third-party code, so skim it before applying, especially if it loads remote resources.

When to use it, and when not to

Use the archive when you want to browse or retrieve existing userstyles with fewer ads and less clutter, or when the original site is hard to reach. Do not treat it as a place to publish new styles or expect it to track upstream changes in real time. For current, actively maintained styles, check whether the original source is available and compare; for preserved or hard-to-find styles, the archive is the practical entry point.