You will need a userscript manager like Greasemonkey or Tampermonkey to install the script, you can find more information here: https://greasyfork.org/en#home-step-1
Install script (no auto update) [1st December 2020]
Greenpost archiveUsage with 4chan X is not recommended as greenposts break the last read post tracker,
Options:You can create spoilers using either [spoiler] [/spoiler] or <s> </s> tags
You can use the [sjis] [/sjis] tags like on /jp/ and /vip/
Posts can be formatted using html tags and attributes will add back when I can find a way without introducing exploits
The supported tags are: