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Privacy policy for Translator AI

Translator AI by max

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Privacy policy for Translator AI

PRIVACY POLICY — TRANSLATOR BROWSER EXTENSION

Last updated: 2026-06-26

This document describes how the Translator browser extension for Chrome, Edge, and Firefox ("the extension") handles user data.

The extension is designed to be privacy-first. It does not include any analytics, telemetry, advertising, fingerprinting, or third-party tracking. The extension's source code is open for inspection.

  1. WHAT THE EXTENSION DOES
    The extension translates text that you explicitly select on a webpage, or text you type into its popup. To produce a translation, the selected text must be sent to a translation provider over the internet.
  2. WHAT DATA LEAVES YOUR BROWSER, AND WHERE IT GOES
    The only data that leaves your browser is the text you selected for translation. It is sent solely to the translation provider you have chosen in the extension's settings:
  3. Google (free) — default: translate.googleapis.com
  4. MyMemory: api.mymemory.translated.net
  5. DeepL: api-free.deepl.com or api.deepl.com
  6. OpenAI: api.openai.com
  7. LibreTranslate: the endpoint URL you configure

For voice playback, audio is generated by the browser's own Text-to-Speech engine (no network request), except when no matching system voice exists, in which case the extension may request audio from Google's public text-to-speech endpoint (translate.google.com/translate_tts) — the selected text and target language are sent in the URL.

No other data — including your browsing history, identifiers, account information, location, IP-derived data, mouse movements, or page content you did not explicitly select — is ever transmitted by the extension.
  1. WHAT IS STORED ON YOUR DEVICE ONLY
    The following data is stored locally inside your browser (via the browser's storage API and IndexedDB) and is never sent to the extension's authors or to any third party:
  2. Your settings (target language, theme, accent color, font size, popup behavior, etc.)
  3. Translation history (last 500 entries) and pinned items
  4. A cache of recent translations for speed (TTL-configurable)
  5. A frequency counter of the words you translate most

Settings stored via storage.sync are synced across your own browser installations by the browser itself (Chrome Sync under your Google account, or Firefox Sync under your Mozilla account), encrypted at rest — the browser handles this transport; the extension does not.
  1. API KEYS
    If you choose to use DeepL, OpenAI, or LibreTranslate, your API key is stored locally via the browser's storage.sync and is attached only to outbound HTTPS requests to that specific provider's API endpoint. Your key is never sent to the extension's authors or to any other party.
  2. PERMISSIONS EXPLAINED
  3. storage: Save your settings, history, pins, and cache locally
  4. contextMenus: Add "Translate this" to the right-click menu
  5. scripting: Re-inject the in-page popup after the extension is updated; read the active tab's selection when you open the toolbar popup
  6. activeTab: Read the current tab's selection only when you click the extension icon
  7. clipboardWrite: Allow the "Copy" button to put the translation on your clipboard
  8. <all_urls> host access: Inject the floating translation popup on whichever page you're reading

The extension does not request tabs, webNavigation, cookies, webRequest, history, or any other broad-scope permission.

On Firefox, the <all_urls> host access is treated as an optional permission: Firefox asks you to grant it after installation (via the install prompt or about:addons → Translator AI → Permissions → "Access your data for all websites"). Translations do not work until you grant it, and you can revoke it at any time from the same screen.
  1. CHILDREN'S PRIVACY
    The extension does not knowingly target or collect data from children under 13. It does not collect personal data at all.
  2. DATA RETENTION AND DELETION
    Local cache, history, and pins live entirely in your browser. You can clear them at any time from the extension's Options → Data & privacy page, or by uninstalling the extension. Translation providers may log requests according to their own policies, which Translator does not control.
  3. THIRD-PARTY PRIVACY POLICIES
    Because translations are sent to a third-party API, that provider's privacy policy also applies:
  4. Google Translate: https://policies.google.com/privacy
  5. MyMemory: https://mymemory.translated.net/doc/usagelimits.php
  6. DeepL: https://www.deepl.com/privacy
  7. OpenAI: https://openai.com/policies/privacy-policy
  8. LibreTranslate: depends on the instance you configure
  9. CHANGES TO THIS POLICY
    Material changes will be announced in the extension's update notes and the version number will be bumped.
  10. CONTACT
    For questions about this policy or the extension's data handling, open an issue on the project's repository.