A calmer browser starts here.
Install Tabnivo in Chrome or Edge. This is the 0.2.0 development build, installed manually rather than through an extension store.
Tabnivo can move bookmarks and close idle tabs automatically. Its defaults are 90 days to archive, 180 days to Trash, and 7 days to close an idle tab. You can change or pause these rules in Settings. For a first look, use a separate browser profile with sample data.
01. Download and unzip
Download the development build and extract the ZIP into a folder you can keep. Chrome and Edge load that folder directly, so leave it in place after installation.
Download Tabnivo 0.2.002. Open your extensions page
In Chrome, type chrome://extensions into the address bar. In Edge, use edge://extensions. Turn on Developer mode.
03. Load the extracted folder
Choose Load unpacked and select the extracted folder that contains manifest.json. Tabnivo requires Chromium 121 or later and runs in normal browser windows. Install it separately in each profile you want to use.
04. Choose your rules
Open Tabnivo from your browser's extensions menu, then open Settings. Set your archive, Trash, and idle-tab timing, or pause automatic bookmark and tab care independently. Both bookmark deadlines count from the last visit; the Trash deadline must be longer than the archive deadline.
Automatic checks run on installation, browser startup, and hourly while the browser is running. Use Run now to check against your current rules. Pinned, active, audio-playing, and manually protected tabs are kept open.
05. Check links when you choose
Select Check links to review your bookmarks. Tabnivo asks for website access at that point so it can check their destinations. Missing pages, restricted access, and timeouts are reported separately. A link check does not delete or move anything.
Updating an existing development build
Replace the files in the folder you originally loaded, then select Reload on the extensions page. A previous version may ask you to approve the history permission and re-enable Tabnivo. Export a local backup from Tabnivo before replacing files. This development build does not promise automatic updates.
Where to find your changes
Archived bookmarks and Trash remain in native browser bookmark folders. Open Records in Tabnivo to restore recorded changes. Closed-tab records are kept locally for 30 days; unsaved forms, page edits, and login state cannot be restored. Uninstalling the extension or clearing its data removes local recovery records.
Learn more about data and permissions, or return to the overview.