HbbTV Emulator - DASH/HLS Video Player

# Privacy Policy - HbbTV Emulator Chrome Extension **Last updated:** August 2026 ## Overview The HbbTV Emulator Chrome Extension ("the Extension") is a developer tool that emulates HbbTV device APIs in the Chrome browser. This privacy policy explains what data the Extension accesses and how it is used. ## Data Collection **The Extension does NOT collect, transmit, or store any personal data.** ## Data Usage The Extension operates entirely locally within your browser. Specifically: - **No data is sent to external servers** — all processing happens locally in your browser - **No analytics or tracking** — the Extension does not include any analytics services - **No user accounts** — no login or registration is required ## Permissions Explained The Extension requests the following permissions solely for its core functionality: | Permission | Purpose | |-----------|---------| | `storage` | Saves your preferences (enabled/disabled state, selected User-Agent) locally in Chrome's extension storage | | `declarativeNetRequest` | Modifies HTTP headers (User-Agent, Content-Type) to emulate an HbbTV device | | `declarativeNetRequestWithHostAccess` | Allows those header modifications to apply on the sites you visit (in combination with host permissions) | | `host_permissions (<all_urls>)` | Required to inject the OIPF emulation layer and emulate HbbTV objects on any page — HbbTV test pages can be hosted on any domain | ## Local Storage The Extension stores only your configuration preferences (enabled state, selected User-Agent string, debug overlay preference) using Chrome's `chrome.storage.local` API. This data never leaves your device. ## Third-Party Libraries The Extension bundles the following open-source libraries for video playback: - **dash.js** (BSD-3-Clause) — MPEG-DASH player - **hls.js** (Apache-2.0) — HLS player These libraries operate entirely within your browser and do not transmit data to any external service beyond fetching the video content URLs you navigate to. ## Changes If this privacy policy changes, the updated version will be included with the Extension update. ## Contact For questions about this privacy policy, please open an issue on the Extension's repository.