--- title: "Otto: Language Learning – Chrome extension stats, history and permissions" description: "3 users, no ratings yet. Version 0.29.13, updated 2026-10-17. Requests 5 permissions." url: "https://extensiontracker.com/extension/hkgloeddmfjdadoboaopnkfeknbhmjmm" --- # Otto: Language Learning Live in the Chrome Web Store. - Users: 3 - Rating: no ratings yet - Last checked: 2026-11-01 15:44 UTC - Users gained in 7 days: No change - Users gained in 30 days: – (needs a month of history) - Rank by users: #230,194 of 289,024 live extensions - Rank in Education: #9,832 of 12,698 ## The listing What the Chrome Web Store shows, as of the last check. Summary from the listing: > Browsing, watching, listening. Learn Spanish, French and 9 more on any site and in YouTube, Netflix and Prime Video subtitles. - Extension ID: `hkgloeddmfjdadoboaopnkfeknbhmjmm` - Developer: [Otto Technologies Limited](https://extensiontracker.com/developer/u8c5c1b2de08ef51cf9deff4500e79c0a) - Enhanced Safe Browsing: Not trusted ([what this means](https://extensiontracker.com/enhanced-safe-browsing)) - Category: [Productivity › Education](https://extensiontracker.com/category/productivity/education) - First published: 2026-10-02 - Last updated: 2026-10-17 - Version: `0.29.13` - Size: 1.01 MiB - Minimum Chrome: 88 - Languages (13): Deutsch, English, español, español (Latinoamérica), français, italiano, português (Brasil), português (Portugal), العربية, हिन्दी, 中文（中国）, 日本語, 한국어 - Website: `otto-app.com` - Chrome Web Store: - View its code or download CRX: - Search Google for the ID: ## Users over time One row per check, newest first, as shown on the Chrome Web Store. | Checked | Users | Rating | Ratings | | --- | ---: | ---: | ---: | | 2026-11-01 | 3 | – | – | | 2026-10-18 | – | – | – | | 2026-10-09 | – | – | – | | 2026-10-08 | – | – | – | | 2026-10-06 | – | – | – | | 2026-10-03 | – | – | – | ## What changed Every change found on a check, newest first. - 2026-10-18: New version `0.29.13`, replacing `0.29.11`. - 2026-10-08: New version `0.29.11`, replacing `0.29.2`. - 2026-10-08: Renamed from “Otto” to “Otto: Language Learning”. - 2026-10-08: The summary on the listing changed. - 2026-10-08: Now listed in 13 languages, from 1. - 2026-10-06: New version `0.29.2`, replacing `0.19.4`. - 2026-10-06: The summary on the listing changed. - 2026-10-06: Added the sites where it runs scripts `https://*.primevideo.com/*`, `https://www.amazon.ca/*`, `https://www.amazon.co.jp/*`, `https://www.amazon.co.uk/*`, `https://www.amazon.com.au/*` and 14 more. Removed the site where it runs scripts `https://www.netflix.com/watch/*`. - 2026-10-06: The developer's contact email changed. ## Developer history Moves to another publisher account and new contact emails, newest first. - 2026-10-06: The contact email changed. What it can access changed the same day. We know contact emails only by a keyed hash, so they're never shown. Recent changes: [Account and contact changes](https://extensiontracker.com/owners/). ## What it can access From the extension's manifest, in plain language. **Every website:** it can read and change your data on all the sites you visit. ### Sites - ``: Every website ### Sites where it runs scripts - ``: Every website - `https://*.primevideo.com/*`: primevideo.com and its subdomains - `https://www.amazon.ca/*`: www.amazon.ca - `https://www.amazon.co.jp/*`: www.amazon.co.jp - `https://www.amazon.co.uk/*`: www.amazon.co.uk - `https://www.amazon.com.au/*`: www.amazon.com.au - `https://www.amazon.com.be/*`: www.amazon.com.be - `https://www.amazon.com.br/*`: www.amazon.com.br - `https://www.amazon.com.mx/*`: www.amazon.com.mx - `https://www.amazon.com/*`: www.amazon.com - `https://www.amazon.de/*`: www.amazon.de - `https://www.amazon.es/*`: www.amazon.es - `https://www.amazon.fr/*`: www.amazon.fr - `https://www.amazon.in/*`: www.amazon.in - `https://www.amazon.it/*`: www.amazon.it - `https://www.amazon.nl/*`: www.amazon.nl - `https://www.amazon.pl/*`: www.amazon.pl - `https://www.amazon.se/*`: www.amazon.se - `https://www.netflix.com/*`: www.netflix.com - `https://www.primevideo.com/*`: www.primevideo.com - `https://www.youtube.com/*`: www.youtube.com ### Browser features - `activeTab`: The tab you're on, only after you click the extension - `offscreen`: Open a hidden page for background work - `scripting`: Run scripts on sites it can reach - `storage`: Save settings and data in your browser ## About this data Collected from the extension's public Chrome Web Store listing. It's checked every month, and again whenever a new version appears. Last checked 2026-11-01 15:44 UTC; next check around 2026-12-03. How the data is collected: . ## Cite this page Extension Tracker. “Otto: Language Learning” (hkgloeddmfjdadoboaopnkfeknbhmjmm). Chrome Web Store data, last checked 2026-11-01. https://extensiontracker.com/extension/hkgloeddmfjdadoboaopnkfeknbhmjmm. Accessed 2026-11-08. ```bibtex @misc{extensiontracker_hkgloeddmfjdadoboaopnkfeknbhmjmm, title = {Otto: Language Learning (hkgloeddmfjdadoboaopnkfeknbhmjmm)}, author = {{Extension Tracker}}, year = {2026}, note = {Chrome Web Store data, last checked 2026-11-01}, url = {https://extensiontracker.com/extension/hkgloeddmfjdadoboaopnkfeknbhmjmm}, urldate = {2026-11-08} } ``` --- From Extension Tracker, a public record of the Chrome Web Store: . It isn't affiliated with Google. The data is free to reuse under CC BY 4.0 (), crediting Extension Tracker. 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