no9

5 listings we've seen · as of 4 Oct 2026. This is the maker name shown on the store, not proof of who owns the company.

Accessibility

This extension monofies the currently playing video or audio source with a single click on the extension button.

Accessibility

This addon enables you to enhance the sound beyond the maximum level.

Accessibility

Accelerates video playback with a single click on the extension button. Works with HTML5 videos and audio elements.

Accessibility

NIGHT MODE FOR ALL WEBSITES. It darkens backgrounds of html based webpages.

Workflow & Planning

This extension monofies bass frequencies (starting from 3kHz) in the currently playing video with a click on the extension button.