Extension Tracker

Otto: Language Learning

3 users No ratings yet Last updated 17 Oct 2026

By Otto Technologies Limited Live in the Chrome Web Store hkgloeddmfjdadoboaopnkfeknbhmjmm Search Google ↗ Last checked 1 Nov 2026, 15:44 UTC

The listing

What the Chrome Web Store shows, as of the last check

Browsing, watching, listening. Learn Spanish, French and 9 more on any site and in YouTube, Netflix and Prime Video subtitles.Summary from the listing
Developer
Otto Technologies Limited
Enhanced Safe Browsing
Not trusted. What this means →
Category
Productivity › Education
First published
2 Oct 2026
Last updated
17 Oct 2026
Version
0.29.13
Size
1.01 MiB
Minimum Chrome
88
Languages
13 languages

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
See Chrome Web Store page ↗ View its code or download CRX ↗
Users over time As shown on the Chrome Web Store

The Chrome Web Store has shown a user count on one check so far. The chart appears after the second.

Show the numbers
CheckedUsersRatingRatings
2026-11-013––
2026-10-18–––
2026-10-09–––
2026-10-08–––
2026-10-06–––
2026-10-03–––
Users, 7 days
No change
since a week ago
Users, 30 days
–
needs a month of history
Rank
#230,194
by users, of 289,024 extensions
In its category
#9,832
of 12,698 in Education

What changed

Every change found on a check, newest first

  1. New version 0.29.13, replacing 0.29.11.

  2. New version 0.29.11, replacing 0.29.2.

    Renamed from “Otto” to “Otto: Language Learning”.

    The summary on the listing changed.

    Now listed in 13 languages, from 1.

  3. New version 0.29.2, replacing 0.19.4.

    The summary on the listing changed.

    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/*.

    The developer's contact email changed.

Developer history

Moves to another publisher account and new contact emails, newest first

  1. 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 account and contact changes →

What it can access

From the extension's manifest, in plain language

Every websiteIt can read and change your data on all the sites you visit.
Sites
  • <all_urls>Every website
Sites where it runs scripts
  • <all_urls>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
  • activeTabThe tab you're on, only after you click the extension
  • offscreenOpen a hidden page for background work
  • scriptingRun scripts on sites it can reach
  • storageSave 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 1 Nov 2026, 15:44 UTC; next check around 3 Dec 2026.

How we collect the data

Cite this page

Citation
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}
}

The data is free to reuse under CC BY 4.0.

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