Cleen logo Cleen GitHub

Chrome Extension

Free your RAM.
Suspend tabs.
Breathe easy.

Cleen automatically suspends inactive tabs to free up memory. Track usage, detect heavy sites, and keep Chrome running smooth.

Download ZIP

Auto-Suspend

Tabs inactive for 30+ minutes are automatically discarded. Wake them up with a single click.

Memory Dashboard

See exactly how much RAM Chrome is using. Visual ring shows usage at a glance.

Heavy Site Detection

Identifies memory-hungry sites like YouTube, Claude, and ChatGPT. Prioritize what matters.

How to Install

Install from the GitHub ZIP and load it as an unpacked extension.

  1. Download the latest source ZIP from GitHub: cleen main.zip
  2. Unzip the archive.
  3. Open chrome://extensions in Chrome.
  4. Enable Developer mode (top right).
  5. Click Load unpacked.
  6. Select the unzipped cleen-main folder.

Stack: Manifest V3, Chrome Processes API, local storage.

Privacy: All data stays on your device. No analytics, no tracking.