Permanent Mute is a productivity chrome extension. it's a free extension , it has 15 active users since released its first version, it earns an average rating of 0.00 from 0 rated user, last update is 2287 days ago.
A persistent mute tool for stupid websites that make annoying and ill-timed sounds. Stops auto-playing video sound, etc., and sites will stay muted until you un-mute them (even if closed and revisited). Apparently a similar feature is upcoming in Chrome 64, but you can use this extension in the meantime.
You could download the latest version crx file or older version files and install it.
English.
You could find more help information from permanent mute support page.
You could send emails to publisher, or check publisher's website.
More about manifest_file of permanent mute.
You could click to report abuse of permanent mute.