Install private single-file extensions that live only on this device. They appear in your launcher and terminal — and never on the public site.
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What is Extensions?
A bring-your-own-tool platform. An extension is one HTML file with an embedded manifest; install it here and it gets a tile in your launcher, optional terminal commands, and its own local storage that rides your encrypted backup. Extensions run with full access on this device, so only install files from people you trust. Nothing about them is ever uploaded.
First-party extensions you can install in one click. Each is a single HTML file that runs only on this device — it gets a launcher tile and its own local storage, and never touches the public site.
