Know which tab slows Chrome — then hibernate it in one click
TabCost helps you instantly find the Chrome tab that’s slowing you down. See per‑tab memory (JS heap) + an activity estimate, filter Heavy/Idle tabs, search by title/URL, and hibernate idle tabs in one click. Keyboard-friendly (↑/↓, Enter). Privacy-first: no tracking, no analytics, no servers—runs locally in your browser. Everything runs locally in your browser.
