Developer Builds Free Browser-Based Voice Pitch Shifter Using Web Audio API

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A developer has created a free, browser-based Voice Pitch Shifter tool that allows users to raise or lower vocal pitch by semitones without uploading audio to any server. The tool runs entirely in the browser using the Web Audio API and OfflineAudioContext, ensuring full privacy and faster processing. It was built with Next.js, TypeScript, and React, and is hosted on Vercel. Use cases include singing practice, karaoke, podcast editing, and music production. The developer has shared the project on DEV Community and is seeking feedback from developers and audio enthusiasts.

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