Chan's archives sites
yuki.la is a 4chan archive site where you can find old 4chan threads.
To create a gallery, use this page exactly as 4chan.
Update: site yuki.la is down and is probably dead forever.
Young (2020) 4chan archive with working gifs and webm.
Good alternative for yuki.la
4chan archive. Unfortunately, it doesn't save webm files.
4chan archive. Doesn't save webm files.