StyleChan
June 1, 2026 · View on GitHub
StyleChan is a userscript allowing you to customize 4chan with various themes and features.
Works with both native 4chan and 4chan X.
Originally developed by seaweedchan, this is a fork of OneeChan.
Click here to Install
Minified Version → StyleChan.min.user.js
- Firefox: requires Violentmonkey
- Chrome/Edge: requires Violentmonkey
Supported 4chanX forks
Theming
Get more themes.
Troubleshooting
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If you have problems, try first resetting your StyleChan settings (CTRL + F1 → Reset) and restarting your browser.
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Check if it's a 4chan or 4chan X issue - StyleChan primarily deals with stylesheets.
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Report issues on the Issues page.