4chan Downloader Saves All Thread Images Automatically

Martin Brinkmann
Feb 27, 2011
Updated • Nov 20, 2012
Software, Windows software

4chan regulars, who like the site because of its vast pool of images that get uploaded to the website every minute, often utilize software or extensions to download images automatically, or at least semi-automatically from the popular Internet message board.

4chan Downloader is on first glance just another tool for the job. The program takes a single url that points to a 4Chan thread, scans it for images and downloads them automatically to the selected location on the local hard drive.

But there is more to the software. The software can for instance be configured to automatically rescan the 4Chan.org thread to find and download new images that have been posted since the time of the last download.

Many images are shown as thumbnails in the program interface. Many? Yes, not every image is shown there. I'm not sure if this is a bug or a limitation. The screenshots on the project page paint a different picture. It is not a huge problem but makes the software look inconsistent. All images, regardless if a thumbnail is shown or not, are downloaded to the local hard drive. They can be opened from within the program interface, or from the local directory they have been downloaded to.

Another interesting option is to create a new download tab to download pictures and images from a different 4chan thread as well.

A user could theoretically create download tasks for an unlimited amount of 4chan urls. On top of that, all could be monitored by the application for new images.

What's missing? The developer needs to work on the thumbnail display. Either display all images as thumbnails or none, the current solution is not satisfactory. An option to add multiple threads at once, or a whole board, would be welcome as well to automate the downloading further.

4chan Downloader is a portable Open Source software for Microsoft Windows PCs and Linux. Downloads are offered at the Sourceforge project website.


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  1. 4Chinzzz said on August 29, 2017 at 12:11 am

    Yes but how do I start the thing?

  2. jay said on November 10, 2016 at 7:25 pm

    4chan downloader online application

  3. Alex said on August 8, 2012 at 11:19 am

    Not working, it was working about a week ago

  4. fred said on March 6, 2011 at 12:15 pm

    Is there a way to automate the download of all image from hr board?
    There are a loooot of good hr images but i’m not at home too often;
    the only way i found for now is to rescan every x minutes with a commandline like wget -R “*s.jpg”,”imgboard.php*” –proxy=off –random-wait -w1 -T20 -t3 -m -H -l1 -D4chan.org -np –user-agent=”Mozilla/4.7 (Windows 6)” http://boards.4chan.org/hr/
    however this download only images displayed in pages, not in thread, so if a thread get a bunch of images in a few minutes only thi first one and the last 3 are saved.
    The good thing of wget is that it doesn’t download images already present on the disk minimizing the bandwidth usage.

  5. will said on February 28, 2011 at 5:57 pm


    Downloads images from /b/ but saves in memory and never touches your disk, so you dont have child pr0n hanging out in your system

  6. Q8GEEK said on February 28, 2011 at 10:39 am

    Thats actually pretty neat!

    Think of all the backgrounds I can get <3

  7. !!QW6Rz3DRsqO said on February 28, 2011 at 8:06 am

    Why would someone want to do that? Sounds like a good cause to get raided by the FBI

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