David Kane

Maker of AudioKnife and CalcSunny

About

David Kane builds free browser tools: CalcSunny (70+ calculators) and AudioKnife (free audio editing, conversion and recording). Host of the Mr. President: Untold Story podcast and author at David Kane Books.

Badges

Tastemaker

Gone streaking

Maker History

AudioKnifeFree audio tools that run in your browser. No uploads.
Oct 2026

🎉

Joined Product HuntOctober 26th, 2026

Forums

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19h ago

AudioKnife - Free audio tools that run in your browser. No uploads.

24 free audio tools in one place: convert, cut, join, EQ, remove noise, change speed or pitch, find BPM & key, check LUFS loudness and more. Everything runs in your browser, so your files never leave your device. No account, no watermark, no usage caps.