no9

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

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

- increase video and audio speed with single click by 0.25 ratio. - decrease video speed down to 0 (pause) - no upper speed limit so you can fast forward movies or ads.

Mixes stereo audio together to create mono output in both channels.

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

Let's you to increase audio volume over maximum level.

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

Night mode for all websites. It darkens backgrounds of html based webpages.

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

The plugin applies reduction of stereo signal width by selectively making mono low frequencies signal. Click on the plugin button to turn it on and off.