Slowverb by Norz3n

Slowverb brings the iconic Slowed & Reverb aesthetic to your browser. Apply real-time audio effects to any video or audio playing in your tabs.

Features

• Speed Control — Slow down (0.5x) or speed up (1.5x) playback with pitch shift for that classic slowed sound
• Reverb — Add atmospheric, dreamy reverb to any audio
• Bass Boost — Enhance low frequencies for deeper, richer sound
• Presets — Quick access to Slowed & Reverb, Nightcore, and custom presets
• Real-time — All effects apply instantly as you adjust sliders
• Works on — YouTube and YouTube Music

How it works

Click the extension icon, toggle it on, and adjust the sliders. Your settings are saved automatically and persist across sessions.

Privacy

Slowverb does not collect any data. All audio processing happens locally in your browser.

Open Source

• GitLab Repository (primary source)
• GitHub MirrorSlowverb brings the iconic Slowed & Reverb aesthetic to your browser. Apply real-time audio effects to any video or audio playing in your tabs.

Features

• Speed Control — Slow down (0.5x) or speed up (1.5x) playback with pitch shift for that classic slowed sound
• Reverb — Add atmospheric, dreamy reverb to any audio
• Bass Boost — Enhance low frequencies for deeper, richer sound
• Presets — Quick access to Slowed & Reverb, Nightcore, and custom presets
• Real-time — All effects apply instantly as you adjust sliders
• Works on — YouTube and YouTube Music

How it works

Click the extension icon, toggle it on, and adjust the sliders. Your settings are saved automatically and persist across sessions.

Privacy

Slowverb does not collect any data. All audio processing happens locally in your browser.

Open Source

• GitLab Repository (primary source)
• GitHub Mirror