Last Updated: May 18, 2026
Welcome to SubSwift. We are highly committed to being fully transparent and safeguarding your data when you browse our databases or utilize our client subtitle synchronization tools.
100% Local Browser Processing Guarantee
When you upload subtitle files to our Subtitle Sync Adjuster, the files are processed strictly inside your computer's browser memory. No subtitle file is ever uploaded, cached, or saved to our servers or databases. Your files stay 100% private and secure on your local hard drive.
Information We Collect
We only collect the absolute minimum data required to deliver our subtitle indices and request queues:
- Subtitle Request Data: If you manually request a subtitle via our Request form, we collect the title of the movie, requested language, and your contact info (email/telegram) to notify you.
- Local Storage: We use your browser's local storage to save your request histories and display timing adjuster settings configurations.
- Anonymized Site Usage: We utilize basic analytics (Google Tag / GTM) to evaluate anonymous site loading speeds, access counts, and page performance indices.
Database Subprocessors
We work with high-quality cloud engines to run SubSwift securely:
- Supabase: For movie indexes, cast, and verified subtitle storage.
- Cloudflare Workers: For proxying download streams securely without exposing direct file storage origins.
- Telegram API: For secure webhook distributions and storage channels.
Cookies Policy
SubSwift does not utilize persistent trackers or marketing advertising cookies. We only use functional cookies or local storage settings to remember your page configurations, theme preference, or custom timeline editor state.
Contact Us
If you have any questions about this Privacy Policy, your request lists, or seek data deletion support, please reach out to us via our contact links or directly in our developer support channels.