Articles tagged "storage"

3 articles found

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

A quiet stack of thin hairline layers with one middle layer in soft orange watercolor — data an extension keeps, silently, at rest.

privacy browser-extensions permissions

The `storage` permission explained: what browser extensions keep, and where it actually lives

The storage permission is the most-requested thing extensions ask for — 62% claim it, with no install warning. Here's what it keeps, where, and how to check.

Maxim Kosterin

July 10, 2026

7 min read

An open hairline container overflowing with orange watercolor spilling past its rim — extension storage with no ceiling, no cap.

privacy browser-extensions permissions

unlimitedStorage explained: the extension permission with no ceiling — and the W3C plan to add one

The unlimitedStorage permission lets extensions hoard data on your disk with no cap. ~687M users are exposed — and W3C is debating a limit on July 2, 2026.

Maxim Kosterin

June 29, 2026

6 min read