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Maker
📌
Hey Product Hunt! Mak here, maker of WaveFlare 👋
I spend hours with music playing in a browser tab, and the tab just sits there. Silent, boring, doing nothing. So I built WaveFlare.
It overlays real-time frequency bars on top of whatever you're playing. YouTube, Spotify, SoundCloud, anything. The bars react instantly to bass, mids, and highs with a glow effect that honestly makes cheap earphones feel like a concert.
A few things I'm proud of:
🖤 Blackout mode: dims the whole page so it's just you and the visualizer. Great for parties or late-night focus sessions.
🎨 Four themes and three one-tap presets, plus full manual control if you like tweaking.
🔒 100% local. No audio is recorded or uploaded, no account, no tracking. I built this for myself first, so privacy was non-negotiable.
⚡ Vanilla JS, no framework, Manifest V3. It's open source (MIT) if you want to poke around.
It's completely free. I'd love your feedback, especially theme ideas and what sites you'd use it on. Ask me anything about how it works, happy to nerd out about the Web Audio API and tabCapture!
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The cinematic glow around the frequency bars feels really polished, like something you'd see in a music video rather than a browser extension. Love that it reacts instantly without any noticeable lag.
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Maker
@busepv84 Thanks Buse! The glow took a few iterations to get right, too much and it looks noisy, too little and it just feels like flat bars sitting there. Glad the responsiveness came through too, that was the part I spent the most time on.
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the glow on the frequency bars when audio peaks feels really cinematic, like it actually treats browser music as something worth watching
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Maker
@sakar_gulh22939 That's exactly the reaction I was hoping for. I got tired of background music tabs being something you just ignore, so making it feel worth watching was kind of the whole point.
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the frequency bars actually feel tied to the music, not just blinking randomly, and the glow gives it a nice cinematic vibe on my playlist. finally found something that makes a browser tab look intentional.
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Maker
@tansu750955 Appreciate that, especially the "not just blinking randomly" part, that took real work. Early versions basically reacted to volume, which looked closer to random flashing than anything tied to the music. Curious what you were listening to when you noticed it most, might help me pick the next theme.
The cinematic glow around the frequency bars feels really polished, like something you'd see in a music video rather than a browser extension. Love that it reacts instantly without any noticeable lag.
@busepv84 Thanks Buse! The glow took a few iterations to get right, too much and it looks noisy, too little and it just feels like flat bars sitting there. Glad the responsiveness came through too, that was the part I spent the most time on.
the glow on the frequency bars when audio peaks feels really cinematic, like it actually treats browser music as something worth watching
@sakar_gulh22939 That's exactly the reaction I was hoping for. I got tired of background music tabs being something you just ignore, so making it feel worth watching was kind of the whole point.
the frequency bars actually feel tied to the music, not just blinking randomly, and the glow gives it a nice cinematic vibe on my playlist. finally found something that makes a browser tab look intentional.
@tansu750955 Appreciate that, especially the "not just blinking randomly" part, that took real work. Early versions basically reacted to volume, which looked closer to random flashing than anything tied to the music. Curious what you were listening to when you noticed it most, might help me pick the next theme.