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DuoNinja - Dual captions for YouTube and Netflix

Chrome extension by Mink · Productivity · Education

  • Established publisher
  • Trader

A Chrome extension in Productivity · Education with 2 000 users, a small but real audience. Audience over the last 30 days: unchanged.

Specific sites only: 5 match patterns.

What the developer says, and 2 screenshots

Loading from the Chrome Web Store. Open the listing if it does not appear.

Users
2 000
Rating
3.9 (18 ratings)
Users, last 30 days
Unchanged (the store rounds this count to 1 000, so it moves only between steps)
Rating, last 30 days
+0.07 in 30 days
Version
2.3.4
Updated in the store
2026-10-26
Published
2023-06-24
Manifest
V3
Browser access
1 permission, 5 site patterns

How it has moved

Users
unchanged since 02.10
2k · 2 readings
2026-10-18: released 2.3.02026-10-20: released 2.3.22026-10-26: released 2.3.32026-10-27: released 2.3.4
  1. 2026-10-212k
  2. 2026-11-012k
Rating
+0.06 since 02.10
reviewsrating 3.82-3.89 · 2 readings
2026-10-18: released 2.3.02026-10-20: released 2.3.22026-10-26: released 2.3.32026-10-27: released 2.3.4
  1. 2026-10-21reviews18rating3.89
  2. 2026-11-01reviews18rating3.89
Users
unchanged since 01.09
2k · 3 readings
2026-09-12: released 2.1.32026-09-12: released 2.1.42026-09-21: released 2.1.52026-09-25: released 2.1.62026-09-26: released 2.2.12026-10-01: released 2.2.22026-10-18: released 2.3.02026-10-20: released 2.3.22026-10-26: released 2.3.32026-10-27: released 2.3.4
  1. 2026-09-012k
  2. 2026-10-212k
  3. 2026-11-012k
Rating
+0.06 since 01.09
reviewsrating 3.82-3.89 · 3 readings
2026-09-12: released 2.1.32026-09-12: released 2.1.42026-09-21: released 2.1.52026-09-25: released 2.1.62026-09-26: released 2.2.12026-10-01: released 2.2.22026-10-18: released 2.3.02026-10-20: released 2.3.22026-10-26: released 2.3.32026-10-27: released 2.3.4
  1. 2026-09-01reviews17rating3.82
  2. 2026-10-21reviews18rating3.89
  3. 2026-11-01reviews18rating3.89

A dot marks a day the store showed a different number. Between them the line carries the last one forward: we read every listing up to 2 times a day and record a point only when something moves. History beyond ninety days is in the app.

What it can reach

Specific sites only: 5 match patterns.

  • http://localhost:3000/*
  • https://www.duoninja.com/*
  • https://www.duolingo.com/*
Show the remaining 2
  • https://www.youtube.com/*
  • https://*.nflxvideo.net/*
  • Store data in your browser storage

The full permission history for this extension

Version history

  1. Version 2.3.4
  2. Version 2.3.3
  3. Version 2.3.2
Show the remaining 5
  1. Version 2.3.0 · Asked for more permissions (6, was 5) (changed: site access, pages it runs its code on)
  2. Version 2.2.2
  3. Version 2.2.1
  4. Version 2.1.6
  5. Version 2.1.5

What changed recently

  1. Released version 2.3.4 (was 2.3.3)
  2. Released version 2.3.3 (was 2.3.2)
  3. Package size changed
Show the remaining 9
  1. Released version 2.3.2 (was 2.3.0)
  2. Package size changed
  3. Asked for more permissions (6, was 5) (changed: site access, pages it runs its code on)
  4. Store description rewritten
  5. Renamed from "DuoNinja - Dual captions for YouTube videos" to "DuoNinja - Dual captions for YouTube and Netflix"
  6. Released version 2.3.0 (was 2.2.2)
  7. Package size changed
  8. Released version 2.2.2 (was 2.2.1)
  9. Package size changed

Older entries and the full day by day series are in the app.

The publisher

Mink publishes 4 listings we track, 4k users between them. Listed website: duoninja.com.

  1. Lingo Champion Mink · Productivity · Education · published 2023-02-21 1k users ★ 5.0
  2. AI Prompt Saver Mink · Productivity · Workflow · published 2023-07-21 909 users ★ 5.0
  3. MultiCaptions - Multi-Language Captions for YouTube Mink · Productivity · Education · published 2025-02-11 223 users ★ 4.0

Like this one

Listings the catalog judges closest in what they say they do.

  1. DoubleSubs: Dual Subtitles for YouTube & Netflix Describes nearly the same job, smaller audience 6k users ★ 4.0
  2. Lexi Lumi: Netflix & YouTube Dual Subtitles, AI Translations & Flashcards Describes nearly the same job, smaller audience 31 users
  3. FluentAI: Dual Subtitles for Netflix & more Describes nearly the same job, smaller audience 9k users ★ 3.6
  4. Dual Subtitles - Learn Languages with YouTube & Netflix Describes nearly the same job, smaller audience 18 users ★ 5.0
  5. Lokia - Dual Subtitles & Language Learning Describes nearly the same job, smaller audience 55 users ★ 5.0

The top 5 only. The full comparison, with why each one is close, is on the alternatives page; ranking a whole neighbourhood by your own criteria is in the app.

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Users and rating on Ext Ops Panel

Markdown

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HTML

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Figures come from our own regular passes over the public Chrome Web Store listing, last read on . The store last changed these figures on 2026-10-21. We publish no contact details for extension developers.

Where the data comes from: how the catalog is built