Last Updated: 28 October 2026
Locker uses the following third-party subprocessors to provide our Services:
Supabase
Database, authentication, and file storage
London, United Kingdom
Vercel
Website and application hosting, and cookieless visit statistics
Global edge network
Google Cloud
Audio analysis (tempo, key, and audio characteristics), transcription, and the nightly off-site backup of your files. Splitting a track into parts runs on graphics hardware in Belgium
London, United Kingdom, and Belgium, European Union
OpenAI
Kii and meaning search: lyric text, attached images and documents, Kii conversations, and file names from connected Dropbox or Google Drive. Audio files are never sent, and nothing is used to train their models
United States
Anthropic
Kii assistant (text only, audio files are never sent, and nothing is used to train their models)
United States
Resend
Transactional and notification email
United States
Stripe
Subscription payments and billing
United States and European Union
Sentry
Error and performance monitoring
United States
Where your music is stored
Your audio files, catalogue database and account records are stored in the United Kingdom. When you split a track into its parts, that one job runs on Google Cloud in Belgium (European Union), and the results come straight back. The remaining subprocessors above handle payments, email delivery, error monitoring and AI text, and never receive your audio files.
Questions?
For questions about our subprocessors or data processing practices, contact us at support@getlocker.co
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