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The Audio Stuff Tools
12 free in-browser audio tools - no signup, no upload
12 client-side audio tools for audiophiles and sound engineers, all running in the browser. No account, no upload, no tracking. Includes: headphone amp power calculator, speaker amp power calculator, room mode visualizer, ABX double-blind test, Golden Ear frequency training, audio signal generator, hi-res audio fraud detector (FFT), SPL safe-listening timer, cable gauge calculator, treble roll-off calculator, and more. The math pro audio software charges for, free.
Maker here. I built these because I kept opening five tabs of janky online calculators to answer one listener email.
Everything runs client-side via Web Audio API: your audio files never leave the browser, there is no account, there is no upsell. The set covers what professional audio software charges hundreds for: amp power math (mW, RMS volts, peak voltage swing), room mode mapping up to 300 Hz, level-matched ABX double-blind testing with a result certificate, FFT spectrogram for catching upsampled "hi-res" fakes, Golden Ear frequency training, cable gauge math, and WHO safe-listening duration from headphone sensitivity.
Built to answer the real questions: will this 100 W amp drive my HE-R10? Is this 192 kHz FLAC actually hi-res or upsampled? Where do I sit in a 4x5 m room to avoid the worst nulls?
If you want a tool added that would be useful, drop it in the comments and I will build it.
About The Audio Stuff Tools on Product Hunt
“12 free in-browser audio tools - no signup, no upload”
The Audio Stuff Tools was submitted on Product Hunt and earned 3 upvotes and 1 comments, placing #160 on the daily leaderboard. 12 client-side audio tools for audiophiles and sound engineers, all running in the browser. No account, no upload, no tracking. Includes: headphone amp power calculator, speaker amp power calculator, room mode visualizer, ABX double-blind test, Golden Ear frequency training, audio signal generator, hi-res audio fraud detector (FFT), SPL safe-listening timer, cable gauge calculator, treble roll-off calculator, and more. The math pro audio software charges for, free.
On the analytics side, The Audio Stuff Tools competes within Productivity, Music and Hardware — topics that collectively have 717.1k followers on Product Hunt. The dashboard above tracks how The Audio Stuff Tools performed against the three products that launched closest to it on the same day.
Who hunted The Audio Stuff Tools?
The Audio Stuff Tools was hunted by Jakub Charkiewicz. 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.
For a complete overview of The Audio Stuff Tools including community comment highlights and product details, visit the product overview.
Jakub Charkiewicz