Paletools© is a tool to help you with your everyday tasks in EA FC Ultimate Team. It consists of a set of plugins that will assist you in sniping, completing SBCs, opening multiple packs with a single click and keyboard shortcuts for differents tasks among other things.
The original that started all, access this link to install it as a bookmarklet for desktop and iOS or the tampermonkey version.
A specific version for Android, in order to install this you need to allow installation of packages from unknown sources.
The original Companion app that has Paletools inyected. Use this only if you are sure what you are doing because it could lead to a potential ban.