Boost audio up to 500% on any website with EQ controls and presets.
Users
158
+28 in 30 days
Rating
0.0 / 5
unchanged in 30 days
Ratings
0
0 in 30 days
Store rank
#71K
#59K among extensions
Version
1.0.4
updated 4 May 2026
Users
monthly, 6 months
Latest, 18 Oct 2026:158 usersMove the mouse over the chart for any month
Ratings count
monthly, 6 months
Latest, 18 Oct 2026:0 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 Sound Booster
π Volume Booster 500% β Sound & Bass Boost
Struggling with low volume on YouTube, Netflix, Spotify, or online meetings? Sound Booster amplifies your browser audio up to 500% β far beyond the default maximum β while keeping it clean, crisp, and distortion-free.
Whether it's a quiet podcast, a low-budget lecture recording, or a movie with barely audible dialogue, Sound Booster gives you full control over your listening experience with a single click.
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π― WHY SOUND BOOSTER?
β Boost volume up to 500% β go way beyond your system's default limit
β Built-in Bass & Treble EQ β fine-tune your audio exactly how you like it
β 4 Smart Presets β optimized settings for different content types
β Real-time audio visualizer β see your sound come alive
β Brick-wall limiter β prevents distortion even at maximum boost
β Works on every website β YouTube, Netflix, Spotify, Twitch, Zoom, and more
β Lightweight & fast β no bloat, no lag, no background processes
β 100% Private β zero data collection, everything stays on your device
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ποΈ POWERFUL FEATURES
π Volume Amplification (0% β 500%)
Drag the slider to boost any tab's audio up to 5x the normal volume. Our non-linear gain curve ensures smooth, natural amplification β no harsh clipping or sudden jumps.
π΅ Bass & Treble EQ Controls
Adjust bass (-10 to +10 dB) and treble (-10 to +10 dB) independently. Whether you want thumping bass for music or crystal-clear highs for speech β you're in control.
π§ 4 Smart Presets
One-click audio profiles tailored for different content:
β’ General β balanced, everyday browsing
β’ Speech β enhanced clarity for podcasts, lectures, and video calls
β’ Music β boosted bass and bright treble for songs and playlists
β’ Movie β deep bass with warm mids for cinematic sound
π Real-Time Visualizer
A live frequency visualizer in the popup shows your audio activity in real time. It's not just functional β it looks cool too.
π‘οΈ Distortion-Free Boost
Our built-in brick-wall limiter and dynamics compressor work together to catch audio peaks before they clip. The result? Louder audio without the ugly distortion that other boosters produce.
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π‘ PERFECT FOR
β’ Quiet YouTube videos and tutorials
β’ Low-volume Netflix, Prime Video, and Disney+ streams
β’ Online lectures, webinars, and e-learning platforms
β’ Podcasts and audiobooks with poor audio levels
β’ Zoom, Google Meet, and Microsoft Teams calls
β’ Music streaming on Spotify, SoundCloud, and YouTube Music
β’ Gaming streams on Twitch
β’ Any website where the audio just isn't loud enough
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β‘ HOW TO USE
1. Click the Sound Booster icon in your browser toolbar
2. Toggle the switch ON
3. Drag the volume slider to your desired level (up to 500%)
4. Choose a preset or adjust Bass/Treble manually
5. Enjoy louder, better audio instantly
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π YOUR PRIVACY MATTERS
Sound Booster respects your privacy completely:
β’ No personal data is collected β ever
β’ No analytics, tracking, or cookies
β’ No data is sent to any external server
β’ All settings are stored locally on your device
β’ Open source and fully transparent
We believe great software doesn't need your data.
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π οΈ TECHNICAL DETAILS
β’ Built with the Web Audio API for professional-grade processing
β’ Manifest V3 compliant β latest Chrome extension standard
β’ Non-linear gain scaling prevents harsh amplification artifacts
β’ Dynamics compressor adapts to each preset for optimal sound
β’ MutationObserver detects dynamically loaded media (YouTube SPA, etc.)
β’ Zero external dependencies β pure vanilla JavaScript
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If Sound Booster helped you, please leave a β rating β it helps others discover this extension!
Made with π by Smit