chrome.storage Explorer

Pick a storage area, set and remove keys, watch the quota bar fill and the onChanged event fire — the reactive pattern that keeps every context in sync.

1 · Storage area

local~10 MB · this device only · survives restart
sync~100 KB · roams across the user's devices · 8 KB/item
sessionin-memory · cleared on browser close · for secrets
0 B used
keyvalue

2 · storage.onChanged log

Every set/remove fires onChanged with old & new values — listen here to update UI reactively across contexts.