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title: "Persisting state and plugins · vuejs.school"
description: "Write a Pinia plugin that saves opted-in stores to localStorage and restores them safely, and know what should never be persisted."
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> Index of every page on this site: [llms.txt](https://vuejs.school/llms.txt)

# **Persisting state and plugins**

Write a Pinia plugin that saves opted-in stores to localStorage and restores them safely, and know what should never be persisted.

ref()computed()add()

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