Privacy Policy

Tab Volume Adjuster

Tab Volume Adjuster is a Chrome extension that lets a user change the volume, mute state, and mono output of individual browser tabs, with optional per-site saved settings.

Last updated: May 27, 2026 Chrome extension only Local browser storage No remote code
Short version: Tab Volume Adjuster processes tab audio and limited tab metadata locally on the user's device to provide its core volume-control feature. It does not send user data to the developer or to third parties, does not sell user data, and does not use remote code.

Data Handling

What the extension accesses

  • The active tab's audio stream when the user applies a volume, mute, or mono change.
  • The current tab URL and hostname so the extension can determine whether the page is supported and optionally restore saved per-site settings.
  • The URLs, titles, favicon URLs, and audible state of currently audible tabs so the popup can show a tab list and let the user switch to a tab they choose.

What the extension does not do

  • It does not collect personally identifiable information such as name, email address, phone number, or government identifiers.
  • It does not read page text, form entries, passwords, messages, or any other page content beyond the audio stream needed for playback adjustment.
  • It does not transmit browsing data or audio data off the device.

Local Storage

The extension stores the following data in chrome.storage.local on the user's device:

  • Extension settings such as minimum volume, maximum volume, slider step size, whether per-site persistence is enabled, whether saved settings auto-apply, and whether the audible tab list is shown.
  • Saved per-site audio profiles keyed by hostname only, such as example.com, containing the selected volume, mute state, and mono setting.

The extension does not store full browsing history, account credentials, or the captured audio stream.

Retention And Security

Saved settings remain in the browser until the user changes them, clears them from the extension, or uninstalls the extension. Because the extension keeps its data locally in the user's browser storage, the user controls when that data is removed.

Permissions Used

  • offscreen: keeps a local offscreen document alive so audio processing can continue after the popup closes.
  • storage: saves user preferences and per-site audio settings locally in the browser.
  • tabCapture: captures the selected tab's audio stream so the extension can apply volume and mono adjustments.
  • tabs: reads the active tab and audible tabs needed for the popup UI, focuses a user-selected tab, and reacts to tab updates and removals.
  • Host access on http://*/* and https://*/*: runs a lightweight content script that detects in-page navigation changes on regular websites so saved settings can be reapplied when a single-page app changes routes.

Sharing And Transfers

  • No user data is sold.
  • No user data is transferred to advertisers, data brokers, analytics providers, or other third parties.
  • No user data is used for creditworthiness, lending, advertising, or profiling.
  • The extension does not load remote JavaScript or WebAssembly code.

Contact

Questions about this policy or the extension can be directed to the site owner through maxwellmetzner.github.io.

If the extension's data practices change, this policy should be updated before a new version is published.