This Bilibili userscript adds interface enhancements and customization options to the video site.
4chan X
4chan X adds features to anonymous imageboards through a browser userscript.
About 4chan X
4chan X is a userscript that adds various features to anonymous imageboards. It was originally developed for 4chan but has no affiliation with it. The script runs inside a browser through a userscript manager, such as Violentmonkey, Tampermonkey, or Greasemonkey, and install steps are given for Firefox, Chromium, and Safari.
By default, the script remembers your last read post in a thread and which posts you made, including in private browsing or incognito mode. These options can be turned off in the settings panel, and saved history can be cleared by resetting settings. The optional Link Title feature fetches titles of YouTube links, which is subject to YouTube's Terms of Service and Privacy Policy. Some features may not work in minimal browsers based on WebKitGTK, QtWebKit, or QtWebEngine, and this version does not work with Opera 12.
Key features
- Adds various features to anonymous imageboards through a browser userscript
- Link Title feature fetches titles of YouTube links
- Remembers last read post and your own posts in each thread
- Installs in Firefox through Violentmonkey, Tampermonkey, or Greasemonkey
- Installs in Chromium through Violentmonkey or Tampermonkey
- Installs in Safari through the Userscripts extension
Best for: People who read or post on 4chan or similar anonymous imageboards and use Firefox, Chromium, or Safari on a desktop computer.
Good for
- Install steps are documented for Firefox, Chromium, and Safari
- Remembering read posts and your posts can be turned off in settings
- Includes a privacy documentation page describing what information is sent to other sites
Watch out for
- Not all features work in WebKitGTK, QtWebKit, or QtWebEngine browsers
- This version does not work with Opera 12
- The Link Title feature sends information to YouTube and is subject to YouTube's terms
4chan X at a glance
- Website
- github.com/ccd0/4chan-x
- Category
- Marketing & SEO › Social Media Tools
- Type
- Open-source project
- Pricing
- Not confirmed. Check the site
- Open source
- Not stated
- Language
- English
- Last checked
- Oct 6, 2026 · Online when checked
- Listed
- Oct 5, 2026
4chan X alternatives
Tools and sites you could use instead, ranked by how closely they match.
This userscript project addresses 4chan captcha solving, and its repository invites development contributions.
Open source
This theme adds customizable styling for 4chan X, with version 5.10.2 listed on the project page.
Extra Flags for 4chan adds board flag options for /int/, /sp/, and /pol/ to display additional country or region markers.
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4chan X FAQ
Does 4chan X remember my posts in private browsing?
Yes, by default it remembers your last read post in a thread and which posts you made, even in private browsing or incognito mode. You can turn this off by unchecking the Remember Last Read Post and Remember Your Posts options in the settings panel.
What should I do before uninstalling 4chan X?
4chan X disables the native extension, so after uninstalling you need to re-enable it. Click the [Settings] link in the top right corner, uncheck "Disable the native extension," and click "Save Settings."
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