Privacy Policy

01. Overview

LagSync is built with a "Privacy First" philosophy. We believe that a utility tool for your browser should do exactly what it says—sync your audio—and nothing else. We do not collect, store, or sell your data.

02. Data Collection

LagSync does not collect any Personal Identifiable Information (PII). We do not track your browsing history, we do not use cookies, and we do not have a backend server to receive your data.

03. Permissions

To function, LagSync requires the following permissions:

  • storage: Used strictly to remember your delay presets and settings locally.
  • scripting / all_urls: Used to inject the audio-hooking script into websites containing video players. We only interact with HTML5 media elements.

04. Local Storage

All configuration data (your custom offsets, toggles, and donation link settings) are stored within your browser's local storage. This data never leaves your device.

05. Third Parties

Since we do not collect any data, no data is shared with third parties. If you click a donation link provided within the extension (e.g., Ko-fi or PayPal), you will be subject to that specific platform's privacy policy.

Last Updated: March 2026

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