This product was not featured by Product Hunt yet. It will not be visible on their landing page and won't be ranked (cannot win product of the day regardless of upvotes).
Free browser-based audio mastering analyzer. Real-time LUFS meter, stereo imager, EQ analyzer with resonance detection — plus a "listen as Spotify/YouTube/Apple Music" preview mode. 100% local processing via Web Audio API. No upload, no account, no server.
Hey Product Hunt! 👋
Maker here. I'm not a traditional developer — built this solo with AI-assisted coding because I kept running into the same frustration as a lot of producers: mastering a track, feeling good about it, then uploading to Spotify/YouTube and having it sound completely different after their loudness normalization kicks in.
LufsMaster lets you check your LUFS, visualize your stereo field, spot EQ resonances, and actually hear what your track will sound like on each platform before you upload — all for free, entirely in your browser.
Happy to answer any questions about the tech (Web Audio API, real-time analysis, the resonance detection algorithm) or take feature requests. Thanks for checking it out! 🎶
The resonance detection in the EQ analyzer is a really smart touch, makes it so much easier to spot problem frequencies without squinting at the spectrum. Love that it all runs locally too, no upload step is a relief.
LufsMaster was submitted on Product Hunt and earned 0 upvotes and 3 comments, placing #85 on the daily leaderboard. Free browser-based audio mastering analyzer. Real-time LUFS meter, stereo imager, EQ analyzer with resonance detection — plus a "listen as Spotify/YouTube/Apple Music" preview mode. 100% local processing via Web Audio API. No upload, no account, no server.
LufsMaster was featured in Music (53.5k followers), Developer Tools (515.9k followers) and Audio (2.1k followers) on Product Hunt. Together, these topics include over 89.6k products, making this a competitive space to launch in.
Who hunted LufsMaster?
LufsMaster was hunted by JIN. A “hunter” on Product Hunt is the community member who submits a product to the platform — uploading the images, the link, and tagging the makers behind it. Hunters typically write the first comment explaining why a product is worth attention, and their followers are notified the moment they post. Around 79% of featured launches on Product Hunt are self-hunted by their makers, but a well-known hunter still acts as a signal of quality to the rest of the community. See the full all-time top hunters leaderboard to discover who is shaping the Product Hunt ecosystem.
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JIN