音樂變調器 - Key Shifter

Name: 音樂變調器 - Key Shifter
Author: 柒奈數位 Qinae Studio

Android app by 柒奈數位 Qinae Studio. Music & Audio · 柒奈數位 Qinae Studio

Store rating: Unknown
Store rating count: Unknown
Download price: Free to download
In-app purchases: Listed by the store
Version: 1.0.0
Listing last refreshed: 2026-09-15

Store description excerpt

🎵 Key Shifter A professional-grade audio key shifting tool, processed entirely locally to protect your privacy. Easily adjust the key of music whether you're practicing singing, composing, or learning an instrument. ✨ Main Functions 【Instant Pitch Shifting】 - Precise adjustment up and down by ±12 semitones (± one octave) - One-click pitch shifting, hear the change instantly - Visual semitone indicator clearly displays the current pitch 【High-Quality Export】 - Supports lossless WAV export - preserves original sound quality, suitable for professional use - Supports compressed MP3 export - small file size, easy to share - Automatically names files (original filename_key + pitch) 【Wide Format Support】 - Full support: MP3, WAV, AAC, M4A - Compatible with most devices: FLAC, OGG - Direct processing without conversion 【Completely Offline Processing】 - All pitch shifting calculations are completed locally on your phone - No internet required, no file uploads - 100% privacy guaranteed 🎯 Who is it suitable for? 🎤 KTV For singers: Can't find an accompaniment that suits your vocal range? Raise or lower a few semitones and easily hit higher notes! 🎸 For music creators: Listen to arrangements in different keys to find the most suitable version. 🎹 For instrument learners: Tune your practice pieces to the key of your instrument for better results. 🎧 For music lovers: Simply curious about the feeling of a song going higher or lower? Just play around with it and you'll get a feel for it. 💡 Why Choose Key Shifter? ✓ Simple Interface - No learning curve, just open and use! ✓ Fast Processing - 5-minute songs completed in under 30 seconds ✓ Superior Sound Quality - Utilizes industry-standard pitch shifting algorithms ✓ Privacy First - No personal data collection ✓ Small Size - Minimal storage space 🔒 Privacy Commitment This application promises: - No collection of personal data such as name, phone number, or email - No access to your contacts or photo album - No uploading of your audio files to any server - All calculations are performed locally on your device For a detailed privacy policy, please refer to the link within the application. 📱 System Requirements - Android 7.0 or higher - 2GB or more RAM recommended - Approximately 50MB storage space 💬 About the Developer Qina Music is dedicated to creating lightweight, user-friendly, and privacy-focused tools for music creators. ⚠️ Important Notes - The pitch-changing process requires loading the entire song into memory. Long audio files (over 30 minutes) may cause your phone to lag. - WAV files are large; we recommend exporting to MP3 to save space. - FLAC and OGG compatibility depends on your device. If you cannot open them, please use MP3 or WAV instead. - This application contains ads; ad revenue will support continued development. Thank you for downloading! Enjoy using it! 🎶

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