Apply slowed + reverb, nightcore, and bass boost effects to any audio or video in your browser.
Users
490
โ1 in 30 days
Rating
4.7 / 5
unchanged in 30 days
Ratings
7
0 in 30 days
Store rank
#44K
#37K among extensions
Version
1.1.0
updated 29 Jan 2026
Users
monthly, 10 months
Latest, 15 Oct 2026:490 usersMove the mouse over the chart for any month
Ratings count
monthly, 10 months
Latest, 15 Oct 2026:7 ratingsMove the mouse over the chart for any month
The Chrome Web Store rounds user counts down to the leading digit, so the user line moves in steps. The ratings count is exact and is the better signal of real adoption.
About SlowedReverb
๐ต SlowedReverb - Transform Your Audio Experience
Transform any audio or video into a slowed + reverb masterpiece with SlowedReverb! Whether you're vibing to any platform, this powerful Chrome extension gives you complete control over your audio experience with professional-grade effects.
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โจ WHAT IS SLOWEDREVERB?
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SlowedReverb is a professional audio mixer board that lives in your browser. It brings the popular "slowed + reverb" audio aesthetic to any website with audio or video content. With an intuitive mixer interface inspired by professional audio equipment, you can customize your listening experience in real-time.
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๐๏ธ KEY FEATURES
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๐๏ธ SPEED CONTROL
Adjust playback speed from 0.5x to 2.0x with precision control. Slow down your favorite tracks for that dreamy, atmospheric vibe, or speed them up for a nightcore effect.
๐ REVERB EFFECTS
Add professional-quality reverb with adjustable wet/dry mix from 0% to 100%. Create that spacious, cathedral-like sound that's perfect for slowed music aesthetics.
๐ BASS BOOST
Enhance low frequencies with precision bass control. Add depth and punch to your audio with adjustable bass boost up to +20dB.
๐ฏ PITCH LOCK (Preserve Pitch)
Toggle pitch preservation on/off. Keep vocals sounding natural even when changing playback speed, or turn it off for that classic slowed + reverb sound.
โก QUICK PRESETS
โข S+R (Slowed + Reverb) - Instant slowed + reverb aesthetic (0.8x speed, 50% reverb, bass boost)
โข NC (Nightcore) - Fast-paced, energetic sound (1.25x speed, minimal reverb)
โข OFF - Reset all effects to default settings
๐จ BEAUTIFUL INTERFACE
Sleek, modern mixer board design with:
โข Professional-grade slider controls
โข Real-time visual feedback
โข Minimalist, compact layout
โข Intuitive controls that feel like real audio equipment
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๐ UNIVERSAL COMPATIBILITY
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SlowedReverb works seamlessly with any website that plays audio or video using standard HTML5 media. Whether you're watching videos, listening to music, or streaming content, SlowedReverb automatically detects and enhances your audio experience.
Works with music platforms, video streaming sites, social media, and virtually any website with playable media content.
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๐ฏ PERFECT FOR
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๐ง Music Enthusiasts
Create your own slowed + reverb versions of any song instantly. No need to search for pre-made versions - make them yourself in real-time!
๐ Students & Learners
Slow down educational videos and lectures to absorb information better. Speed up content when you need to review quickly.
๐ฌ Content Creators
Preview audio effects before editing. Test different speeds and effects for your creative projects.
๐ง Relaxation & Focus
Create ambient, atmospheric soundscapes perfect for studying, working, meditation, or sleep.
๐ฎ Gamers
Customize audio in gaming streams and videos for a unique viewing experience.
๐ต Music Producers
Experiment with different tempos and effects to find inspiration for your next project.
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๐ HOW TO USE
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1๏ธโฃ Install the SlowedReverb extension
2๏ธโฃ Navigate to any website with audio or video
3๏ธโฃ Click the SlowedReverb icon in your browser toolbar
4๏ธโฃ Use the mixer controls to adjust:
โข Speed slider - Slow down or speed up playback
โข Reverb slider - Add depth and space
โข Bass slider - Enhance low frequencies
โข Pitch Lock toggle - Preserve or alter pitch
5๏ธโฃ Try the quick presets for instant transformations:
โข Click "S+R" for classic slowed + reverb
โข Click "NC" for nightcore effect
โข Click "OFF" to reset everything
That's it! Your changes apply instantly to all audio and video on the page.
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๐ง TECHNICAL HIGHLIGHTS
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โข Real-time audio processing using Web Audio API
โข Zero latency - Changes apply instantly
โข Professional convolution reverb algorithm
โข Precision EQ with lowshelf filtering
โข Automatic media detection and capture
โข Non-destructive processing - Original audio remains untouched
โข Lightweight and optimized for performance
โข No external servers - Everything runs locally in your browser
โข Privacy-focused - No data collection or tracking
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๐จ THE SLOWED + REVERB AESTHETIC
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The slowed + reverb music style has taken the internet by storm. Originally popularized on platforms, this aesthetic transforms songs into dreamy, atmospheric experiences. Characteristics include:
โข Slowed tempo (typically 0.7x - 0.9x speed)
โข Spacious reverb creating an ethereal atmosphere
โข Enhanced bass for added depth
โข Often paired with nostalgic or aesthetic visuals
With SlowedReverb, you don't need to search for pre-made versions - create the perfect slowed + reverb experience for ANY song, instantly!
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๐ก PRO TIPS
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๐ฏ For Classic Slowed + Reverb Sound:
โข Speed: 0.75x - 0.85x
โข Reverb: 40% - 60%
โข Bass: +5dB to +10dB
โข Pitch Lock: OFF
๐ฏ For Nightcore Effect:
โข Speed: 1.15x - 1.35x
โข Reverb: 0% - 20%
โข Bass: 0dB
โข Pitch Lock: OFF
๐ฏ For Studying/Learning:
โข Speed: 0.75x - 0.9x
โข Reverb: 0% - 10%
โข Bass: 0dB
โข Pitch Lock: ON (to keep voices natural)
๐ฏ For Ambient Background Music:
โข Speed: 0.6x - 0.8x
โข Reverb: 60% - 80%
โข Bass: +3dB to +8dB
โข Pitch Lock: OFF
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๐ PRIVACY & SECURITY
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Your privacy is our priority:
โข โ No data collection
โข โ No tracking or analytics
โข โ No external server communication
โข โ All processing happens locally in your browser
โข โ No account required
โข โ No personal information stored
โข โ Open-source friendly approach
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๐ TROUBLESHOOTING
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โ Extension not working?
โข Make sโฆ
Growth
Window
Users
Change
Ratings
Rating
7 days
โ15
โ3.0%
0
0.00
30 days
โ1
โ0.2%
0
0.00
6 months
+229
+87.7%
+3
+0.21
Chrome Web Store search rankings
Where SlowedReverb appears when people search the store, with the 30 day change