The most comprehensive and feature-rich 4chan Extension. Sample of features: * Customizable themes and mascots * Quick Reply with cooldown timer, captcha cacheing, and autoposting / dumping * Gallery Mode for viewing all thread images easily * Image Expansion on click * Image Preloading with thumbnail replacement * Linkification * Media embedding (youtube, vimeo, twitch.tv, and others) * +With title link preview * Thread and post hiding * Regular Expression-based post filter and highlighter * Thread Watcher * Thread Updater on customizable timer * Thread stats (image, reply, and unread count) * Backlinking and Forwardlinking * And more See http://zixaphir.github.io/appchan-x/#features for a comprehensive feature list.