We don't have mods on this website.
In this article we want to explain what mods are and answer you the question if there are mods for this game.
What is a mod?
This is a modification for a video game to make it behave different from it's original version. They are mostly allowed and wanted by the developers of the game. They are legal. The game developer create APIs for other programmers so they can develop and distribute own modifications.
Don't confuse mods with cheats, bots or hacks.
Are there mods for slither.io?
No! There are currently no mods for this game. And I don't think there will ever be because they are modifying game files on which a normal user will have no access.
Please don't click on websites with titles like "mods, cheats, hacks, download now!". They are ALL fakes!