Privacy Policy

Last updated: March 2026

Volume Booster is a free, open browser extension that boosts audio on web pages. Your privacy is fully respected.
Data We Collect

None. Volume Booster does not collect, transmit, or store any personal data. It has no analytics, no telemetry, and no external network requests of any kind.
Local Storage

The extension saves your volume preference (a single number) using Firefox's built-in browser.storage.local API. This data lives only on your device and is never sent anywhere.
Permissions Explained

storage — to remember your volume level between sessions.
activeTab / tabs — to apply the volume boost to the currently open tab.


No permission is used to read your browsing history, personal information, or page content.
Third Parties

No third-party services, scripts, or APIs are used.