JD offers a comfortable browsing experience on 2ch-style bulletin board systems. Its features include:

- automated login,
- message viewing/posting,
- image viewing,
- mouse gestures,
- ignore lists,
- "play-by-play" mode.
It can also significantly reduce the load on servers by bypassing CGI programs and directly retrieving thread data files to your local hard drives.

"2ch-style" web forum sites have their origins in 2channel, which is a very popular Internet forum in Japan. Such sites are often available only in the Japanese language. For example:

- 2channel http://www.2ch.net
- Shitaraba http://rentalbbs.shitaraba.com/
- Machi-BBS http://www.machi.to/