Privacy Policy – 301 Flow

301 Flow – Privacy Policy

Last updated: May 19, 2025

301 Flow does not collect, transmit or store any personal data on external servers. All data is kept locally in your browser using Chrome's built-in storage APIs.

DATA STORED LOCALLY (in your browser only)

- Your Flow queue (video IDs, titles, channel names, thumbnails)

- Your watched history (video IDs and timestamps)

- Your video ratings

- Cached subscription feed metadata

- Your extension preferences

YOUTUBE DATA ACCESS

The extension accesses youtube.com exclusively to inject a "+ Flow" button on video thumbnails, read your subscription feed, detect watched videos, and fetch video duration. This data never leaves your browser.

PERMISSIONS

- storage: to save your watchlist and preferences in your browser

- tabs: to detect YouTube navigation and mark videos as watched

- https://www.youtube.com/*: to inject the button and fetch feed metadata

NO TRACKING

301 Flow contains no analytics, no advertising SDK, no telemetry and no remote code of any kind.

DATA SHARING

We do not sell, share or transfer any user data to third parties under any circumstances.

DATA DELETION

Uninstalling the extension from Chrome deletes all associated data permanently.

CONTACT

Contact us via the Chrome Web Store listing page.