Discord Troll Tools | By Eman

This app runs entirely in your browser and the source code is freely available on GitHub.

Auto React.

This spams the max amount of reactions on a discord message
I would use a sleep time of 500

Infinite Typing.

This just makes the chat say you are typing untill stoped
Default delay of 8.5

Other Discord Things.

Rebane's Discord Colored Text Generator.
Link

Discord (edited) Glitch.
Link

Modded Discord client vencord.
Link