Last updated: 2026
FreqWave EQ is built around a simple principle: your audio and your settings belong to you. The extension processes audio locally on your device and stores its settings locally. Nothing is sent to any server, and there are no accounts, subscriptions, or tracking.
When you activate FreqWave EQ on a browser tab, the extension uses the Chrome tabCapture API to receive the audio stream from that tab. The audio is processed in real time using the Web Audio API inside the extension's own offscreen document and then played back to you. The audio is never recorded, stored, or transmitted.
The extension also saves your settings — the 8-band EQ values, Master Volume and Pre-Amp positions, and the selected Voice Enhancer mode — so they persist across browser sessions. These settings are stored locally on your device using Chrome's chrome.storage.sync API.
FreqWave EQ does not make any network requests. The extension does not communicate with any external server, API, or service. All processing happens on your device.
The extension uses chrome.storage.sync to store your settings. If you are signed in to Chrome with sync enabled, Chrome itself may synchronize these settings across your devices through your Google account, as it does for other Chrome data. This is handled entirely by Chrome — FreqWave EQ does not have access to your Google account or any cloud service. You can disable Chrome sync at any time through your browser settings.
FreqWave EQ requests the following Chrome permissions, each used only for the purpose described:
FreqWave EQ is open source. You can review the full source code, including all data handling, at github.com/Bob3x/freqwave-eq.
If this policy changes in the future, the updated version will be published at this URL with a new "Last updated" date. Significant changes will also be noted in the extension's release notes on the Chrome Web Store.
Questions about this policy or the extension can be raised as issues on the project's GitHub repository: github.com/Bob3x/freqwave-eq/issues.