Articles tagged "sync"

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A large hairline browser window holding a slider whose track is washed in soft orange watercolour, with two smaller hairline device outlines to its right carrying the same slider drawn only in outline, joined by a dashed arc — one setting, echoed on every screen

chrome-extensions chrome-storage storage

chrome.storage.sync in browser extensions: settings that follow the user to every device

Build an MV3 extension whose settings follow the user to every device — chrome.storage.sync quotas, onChanged, and the sync vs local split, with full code.

Maxim Kosterin

October 3, 2026

19 min read