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Free browser dB meter — no app, no signup, no install. Works on phone & desktop. Real-time readings via Web Audio API with visual graph and 0-100 Noise Score. All processing is local. Just open, allow mic access, and measure instantly. Includes sound comparison table and noise calculator. Clean, fast, privacy-first.
I made Snap Decibel Meter after realizing most "decibel meter" apps are bloated, full of ads, or demand access to everything on your phone just to read the microphone.
My goal was dead simple: open a browser, allow mic access, and get a clean, real-time reading instantly. No app stores, no accounts, no data leaving your device.
I started with just the raw dB reading, but that felt too abstract — so I added a 0-100 Noise Score, a scrolling history graph, and context like a sound comparison table (leaf rustling → jet engine) and a noise-distance calculator using the inverse square law. I also added shareable result cards because people love showing off how loud their environment is.
The hardest part was calibration — every device mic is different, so instead of claiming "exact dB," I built adaptive smoothing and clear disclaimers. It’s an estimate, but a surprisingly consistent one.
This is a side project I keep improving. If it helps you measure noise levels, troubleshoot your audio setup, or win an argument about loud neighbors, I’ll call it a win.
Try it out and let me know how it reads on your device!
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About Snap Decibel Meter on Product Hunt
“Free browser decibel meter — no install needed”
Snap Decibel Meter was submitted on Product Hunt and earned 4 upvotes and 1 comments, placing #139 on the daily leaderboard. Free browser dB meter — no app, no signup, no install. Works on phone & desktop. Real-time readings via Web Audio API with visual graph and 0-100 Noise Score. All processing is local. Just open, allow mic access, and measure instantly. Includes sound comparison table and noise calculator. Clean, fast, privacy-first.
Snap Decibel Meter was featured in Web App (122.4k followers), Productivity (653.5k followers) and Audio (2.1k followers) on Product Hunt. Together, these topics include over 177.4k products, making this a competitive space to launch in.
Who hunted Snap Decibel Meter?
Snap Decibel Meter was hunted by Helge Andresen. 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.
Want to see how Snap Decibel Meter stacked up against nearby launches in real time? Check out the live launch dashboard for upvote speed charts, proximity comparisons, and more analytics.
Helge Andresen
I made Snap Decibel Meter after realizing most "decibel meter" apps are bloated, full of ads, or demand access to everything on your phone just to read the microphone.
My goal was dead simple: open a browser, allow mic access, and get a clean, real-time reading instantly. No app stores, no accounts, no data leaving your device.
I started with just the raw dB reading, but that felt too abstract — so I added a 0-100 Noise Score, a scrolling history graph, and context like a sound comparison table (leaf rustling → jet engine) and a noise-distance calculator using the inverse square law. I also added shareable result cards because people love showing off how loud their environment is.
The hardest part was calibration — every device mic is different, so instead of claiming "exact dB," I built adaptive smoothing and clear disclaimers. It’s an estimate, but a surprisingly consistent one.
This is a side project I keep improving. If it helps you measure noise levels, troubleshoot your audio setup, or win an argument about loud neighbors, I’ll call it a win.
Try it out and let me know how it reads on your device!