RuneShare is a plugin and website for sharing and discovering Old School RuneScape bank tag tabs for various tasks.
Sign up for a RuneShare account here using your Google Account.
Create an API token here. Don't share this token with anyone. This token is unique for each user.
Install the RuneShare RuneLite plugin. Copy that token into the RuneShare settings in RuneLite.
Check "Auto Save?" if you want to automatically save each bank tag tab in RuneShare.