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Privacy policy for ESPHome LVGL Studio

ESPHome LVGL Studio by bejak

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Privacy policy for ESPHome LVGL Studio

Privacy Policy for ESPHome LVGL Studio
Effective Date: September 27, 2026

This Privacy Policy explains how ESPHome LVGL Studio ("the Extension") handles your data.

  1. Data Collection and Storage
    ESPHome LVGL Studio is a local-first browser extension. We do not collect, store, or transmit any telemetry, usage statistics, analytics, or personal tracking data to our own servers or any third-party marketing services.

All configuration data, including OpenRouter API keys, Home Assistant access tokens, ESPHome device URLs, dashboard configurations (YAML) and addon settings, is stored exclusively within your browser's local storage (browser.storage.local). This data never leaves your device unless explicitly required to perform the extension's core functions (see section 2).
  1. Third-Party Services
    To provide its functionality, the Extension communicates directly with specific services. The data sent is strictly limited to what is required for the service to function:
  2. OpenRouter API (or the AI service you configure): Only if you use the AI assistant: your chat messages, attached images, error/build logs, your dashboard YAML and rendered preview images are sent directly to that service to generate code and fixes. Your own API key is used to authenticate these requests. Nothing is sent before you use the assistant; in Firefox you are asked for consent (data category "personal communications") before the first transfer. If the assistant looks up your Home Assistant entities, their IDs and names are included. Your Home Assistant token and API keys stored in the settings are never sent to the AI service – but anything written in plain text inside your YAML (e.g. an "api: encryption: key:" instead of "!secret") is part of the YAML and therefore sent along.
  3. Local ESPHome devices: The Extension connects directly to your local ESPHome dashboard (via WebSockets) to read logs, compile firmware, and update YAML configurations.
  4. Home Assistant: If configured, the Extension connects directly to your Home Assistant instance to fetch entity IDs for autocompletion.
  5. ESPHome schema and documentation (schema.esphome.io, raw.githubusercontent.com): The Extension downloads the public ESPHome configuration schema to validate your YAML and, when the AI assistant looks up a component, the matching public page of the ESPHome documentation. These are plain downloads of public files; none of your data is included in them.
  6. Map picker for addon locations (nominatim.openstreetmap.org, basemaps.cartocdn.com): Only when you use the map in an addon's settings: map tiles for the area you are viewing are loaded from CARTO (OpenStreetMap data), or from a tile service the addon specifies, and an address you type into the map search is sent to OpenStreetMap Nominatim to find its coordinates. In Firefox you are asked for consent (data category "location") before the map loads; coordinates can always be entered by hand instead. The chosen coordinates are stored locally and are only written into your YAML.

Like any web request, all of the requests above reveal your IP address to the service contacted. We are not responsible for the privacy practices of OpenRouter, OpenStreetMap, CARTO, GitHub, ESPHome, or Home Assistant.
  1. Permissions
    At installation the Extension only requests access to schema.esphome.io. Access to your own devices (ESPHome dashboard, Home Assistant, camera images or addon data sources) is requested at runtime, per host, when you save their address in the settings or click "connect" / "Load entities". You can revoke this access at any time in the browser's extension settings. The Extension does not monitor your web browsing activity.
  2. webRequest / webRequestBlocking: used only to set the Origin header of the WebSocket handshake to the ESPHome dashboard URL you configured (the ESPHome device builder rejects connections from extension origins otherwise). No other requests are inspected or modified.
  3. storage: stores your settings locally (see section 1).
  4. Open Source
    The complete source code is available at https://github.com/bejak1999/esphome-lvgl-studio for independent review.
  5. Changes to this Policy
    Updates to this policy are published in the repository (PRIVACY.md).
  6. Contact
    For questions, please open an issue at https://github.com/bejak1999/esphome-lvgl-studio/issues