TabCost – Identify and hibernate Chrome tabs that slow performance

Summary: TabCost detects which Chrome tabs consume the most memory and activity, allowing users to filter, search, and hibernate idle tabs with one click. It operates entirely within the browser without tracking or external servers, ensuring privacy and speed.

What it does

TabCost shows per-tab JavaScript heap memory and activity estimates, lets users filter Heavy or Idle tabs, search by title or URL, and hibernate idle tabs using keyboard shortcuts.

Who it's for

It is designed for users managing 20 to 100 Chrome tabs who need to quickly identify and reduce resource-heavy tabs.

Why it matters

It solves the problem of Chrome sluggishness by pinpointing and suspending tabs that degrade browser performance.