Mute By Default is a tab manager extension for chrome. it's a free extension , it has 41 active users since released its first version, it earns an average rating of 5.00 from 2 rated user, last update is 2855 days ago.
Mute tabs by default. Whitelist websites you wish to keep unmuted by clicking the icon, or entering URLs in options.
You could download the latest version crx file or older version files and install it.
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100% user give 5-star rating. Read reviews of mute by default
You could find more help information from mute by default support page.
You could send emails to publisher, or check publisher's website.
More about manifest_file of mute by default.
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Work as expected!