Word Lens for TOEFL® Prep — Privacy Policy

Last updated: November 10, 2026

Word Lens for TOEFL® Prep is a free Chrome browser extension provided by Aidoss Academy, operated by AIDOSS VENTURES LTD (United Kingdom). It helps students learn academic English vocabulary from the web pages they already read. This Privacy Policy explains what information the extension stores, how that information is used, and the choices available to users.

In short: Word Lens stores your saved words and review progress only in Chrome on your own device. We do not collect, receive, sell or share your data, and the extension makes no network requests.

1. Information Stored Locally

Word Lens saves the following information in Chrome's extension storage on your device:

Words you choose to save, the sentence they appeared in (up to about 200 characters), the page title, the website's host name (for example example.com — never the full web address) and the date saved.
Review progress for each saved word (review box, next review date, number of reviews) and a daily count of completed reviews, used for your streak and statistics.
Your TOEFL test date, if you choose to enter one.
Settings: theme, whether to show Aidoss study offers, whether auto-highlight is on, sites where highlighting is turned off, and dismissed offer cards.

This information is used only to show definitions, keep your word list, schedule spaced-repetition reviews and display your progress. Small settings may be synced between your own Chrome browsers through Chrome profile sync, if you have it turned on.

2. Data Collection and Sharing

The extension does not transmit your saved words, review results, settings or browsing information to Aidoss Academy or any other server. It does not use analytics, cookies or advertising identifiers.

Word Lens reads the text of a web page only on your device, only when you ask it to highlight words (or when you turn on auto-highlight), and only to find words from its built-in word list. Nothing is sold, shared with advertisers or transferred to third parties.

3. Chrome Browser Permissions

activeTab and scripting: to highlight academic words on the tab where you click “Highlight words on this page”, and to remove the highlights again.
storage: to save your words, review progress and settings locally in your browser.
alarms: to check once a day how many words are due for review and show that number on the toolbar icon.
Access to all sites (optional): requested only if you turn on “Auto-highlight on every page” in Settings. Turning the setting off removes this permission.

The extension does not request access to your browsing history, cookies or passwords.

4. Pronunciation

The “Listen” button uses your browser's built-in speech synthesis (Web Speech API). Speech is produced by voices installed with your operating system or provided by your browser; depending on your system, Google Chrome may use an online voice operated by Google under Google's own privacy policy. Only the single word you choose to hear is spoken. The extension does not use speech recognition or your microphone.

5. Exporting and Deleting Your Data

Open the extension's Settings page and use Export my data (JSON) to download everything Word Lens has stored, or Reset all data to delete it. On the My Words page you can export your words as CSV or delete individual words. Uninstalling the extension also removes all of its stored data.

6. External Website Links

Inside its own pages (never on other websites), the extension may show clearly labeled cards from Aidoss Academy that link to aidossacademy.com or library.aidossacademy.com. These links include campaign parameters (for example utm_source=chrome_extension) that show the visit came from the extension; they contain no personal data. Visiting those websites is separate from using the extension and is subject to the website's own privacy policy. You can turn the cards off in Settings.

7. Chrome Web Store Limited Use

Any use or transfer of information received from Google APIs will comply with the Chrome Web Store User Data Policy, including its Limited Use requirements.

8. Children

Word Lens is intended for learners preparing for university-level English tests. It does not knowingly collect information from anyone, including children.