The Marvellous Suspender

Spec sheet

Purpose

The extension suspends inactive tabs to free the memory and CPU resources they were using.Read 8 Oct 2026 · github.com

Privacy

The maker says TMS does not collect, transmit, or sell user data; settings and session data are stored locally in the browser profile.Read 8 Oct 2026 · kb.marvellouscode.works

Support

Users can seek help through the project’s GitHub repositories; the maker says there is no dedicated commercial support channel.Read 8 Oct 2026 · kb.marvellouscode.works

License

The code is publicly available under the GNU General Public License v2.Read 8 Oct 2026 · kb.marvellouscode.works

Backups

Optional scheduled session backups can be saved locally or to Google Drive, with a configurable interval and a limit of 2 to 50 backups per device.Read 8 Oct 2026 · kb.marvellouscode.works

Battery mode

Power Mode automatically suspends tabs when the battery drops below a chosen threshold.Read 8 Oct 2026 · marvellouscode.works

Google Drive scope

Drive backups use the narrow drive.appdata scope to access the app-specific hidden folder, and backup files do not pass through Marvellous Codeworks servers.Read 8 Oct 2026 · kb.marvellouscode.works

Notable limit

The extension requires Chrome 110 or later because it uses Manifest V3.Read 8 Oct 2026 · kb.marvellouscode.works

Optional permissions

Downloads and Google identity permissions are requested only when the user enables local backups or connects Google Drive.Read 8 Oct 2026 · kb.marvellouscode.works

Session management

Session Management records open windows, tabs, tab groups, and pinned state locally, and includes current, recent, and saved sessions plus migration.Read 8 Oct 2026 · kb.marvellouscode.works

Session recovery

The extension can recover suspended tabs after a browser crash or restart.Read 8 Oct 2026 · marvellouscode.works

Supported browsers

Chrome 110 or later is required; the maker reports active users on Vivaldi, Brave, and Microsoft Edge, with installation and policy support varying by browser.Read 8 Oct 2026 · kb.marvellouscode.works

Suspended tabs

Users can choose screenshot, blurred, or text-only appearances for suspended tabs.Read 8 Oct 2026 · marvellouscode.works

Target users

The project is intended for people who keep multiple browser tabs open and want to reduce Chrome’s memory use.Read 8 Oct 2026 · kb.marvellouscode.works

Plans and prices

Every The Marvellous Suspender plan and price →

Where Specifiction places it

• Tab Management Software#26 of 277.2