Extensions for 4chan.org
46 browser extensions built for 4chan.org. Compare features, permissions, and safety across Chrome, Firefox, and Edge.
Open in the full catalog with filters →
Chrome Web Store4chan gallery, slideshow, grid, expand images
Improve how you watch images on 4chan. Add a gallery, slideshow, grid mode, and a button to expand all images to 4channel threads.
Firefox Add-ons4chan X
No description
Chrome Web Store4media - 4chan Media Downloader
Download all images, gifs, and videos within a 4chan thread.
Chrome Web Store4chan expand
auto expand image on 4chan
Firefox Add-ons4Chan Image Expand
Expand the images and Videos of 4chan.org
Chrome Web Store4chan Max – Image/video gallery, scroll buttons and useful tweaks for 4chan
Enjoy 4chan with a better gallery, scroll buttons, and easy downloads. Free forever. No payments, no catch.
Chrome Web Store4chan image features
Your extension description
Firefox Add-ons4Chan Gallery Mode WG
Adds gallery button to 4chan thread views with keyboard shortcuts. HI! The new version has new permissions for 1) easy save (downloads perm) and 2) openai experiments. If you don't want to use those functions, do not use it. Thanks!
Firefox Add-onsJoshi Koukousei Captcha Service
Tired of solving captchas all day? Don't want carpal tunnel syndrome young? Have dyslexia? Then Joshi Koukousei's Captcha Service is here for you! Using a small machine learning model, JKCS saves you time by solving 4chan captchas for you!
Firefox Add-ons4chan X - Unofficial Port
This extention implements a direct port of the 4chan X userscript to a Firefox extension. 4chan X is an unofficial script written by users of 4chan to add various features to the site.
Firefox Add-ons4chanMediaDownloader
Add a download button for each media in a 4chan thread. Can bulk download all media at once.
Chrome Web Store4chan Slideshow
Be able to view media on 4chan threads like a slideshow.
Firefox Add-ons4chan Pics & Videos Viewer
Advance lightbox-style media viewer for easy pic and video browsing on 4chan. Supports ALL media formats (mp4, webm, gif, jpeg, png, etc).
Firefox Add-ons4chan Faster Images
No description
Chrome Web Store4chan Advanced
Adds several media viewing and loading features to 4chan 1: Replaces all media URLs in posts with embedded media. Images are…
Chrome Web Store4rchive - archived.moe media downloader
For use on https://archived.moe. Download all images, gifs, and videos within an archived 4chan thread.
Chrome Web StoreModern 4chan
Modern UI refresh for 2025
Chrome Web Store4chan Enhanced Overlay (FEO)
Quickly show images from page, they're overlayed on current page and eliminate the need to open tabs or scrolling to open links.
Firefox Add-onsDarkchan - 4chan Dark Mode
Dark mode for 4chan and 13 other themes.
Chrome Web Store4chan Slideshow
The extension icon is enabled on 4chan threads, allowing you to open all images and videos in a fullscreen slideshow.
Firefox Add-ons4chan Original Filename DL
Download files from 4chan with their original filenames.
Firefox Add-ons4chan Advanced
Adds several media viewing and loading features to 4chan
Edge Add-ons4chan Mass Reply
Post more efficiently
Firefox Add-ons4loader
Automatically download all media from 4chan threads. Can choose which type of files to download as well as choose a directory to download.
Chrome Web Storeapache-file-server-visualizer
A simple script to visualize images that are served by apache web file server
Chrome Web StoreChanTracker
Save, monitor, and archive your favorite 4chan threads in one place.
![BlockChan [4chan / 4channel] icon](https://addons.mozilla.org/user-media/addon_icons/2672/2672305-64.png?modified=493e7870){kind=icon}
Firefox Add-onsBlockChan [4chan / 4channel]
Helps to block content on 4Chan
Firefox Add-onsJoshi Koukousei Captcha Service
The captcha solver made by and for japanese high school girls
Firefox Add-ons4chan Scroller
No description
Firefox Add-onsAuto Expand 4chan Images
Automatically expands 4chan thumbnails when visible.
Page 1 of 2