--- title: "DuoNinja - Dual captions for YouTube and Netflix – Chrome extension stats, history and permissions" description: "2,000 users, rated 3.89 by 18 people. Version 2.3.4, updated 2026-10-26. Requests 6 permissions." url: "https://extensiontracker.com/extension/cdiecbgkdbkloiniekbfblbdbjgehpgb" --- # DuoNinja - Dual captions for YouTube and Netflix Live in the Chrome Web Store. - Users: 2,000 - Rating: 3.89 from 18 ratings - Last checked: 2026-11-11 01:11 UTC - Users gained in 7 days: No change - Users gained in 30 days: No change (+0.0%) - Rank by users: #14,552 of 292,125 live extensions - Rank in Education: #438 of 12,901 ## The listing What the Chrome Web Store shows, as of the last check. Summary from the listing: > Learn languages with dual captions. Import your Duolingo vocabulary and learn it with flashcards. - Extension ID: `cdiecbgkdbkloiniekbfblbdbjgehpgb` - Developer: [Mink OÜ](https://extensiontracker.com/developer/u1c60c651fdcf95efa777a298b3ce82fc) - Enhanced Safe Browsing: Trusted ([what this means](https://extensiontracker.com/enhanced-safe-browsing)) - Category: [Productivity › Education](https://extensiontracker.com/category/productivity/education) - First published: 2023-06-24 - Last updated: 2026-10-26 - Version: `2.3.4` - Size: 148 KiB - Minimum Chrome: 88 - Languages (1): English - Website: `duoninja.com` - Support page: `https://www.duoninja.com/support` - 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 | | --- | ---: | ---: | ---: | | 2026-11-11 | 2,000 | 3.89 | 18 | | 2026-11-03 | 2,000 | 3.89 | 18 | | 2026-10-27 | 2,000 | 3.89 | 18 | | 2026-10-26 | 2,000 | 3.89 | 18 | | 2026-10-20 | 2,000 | 3.82 | 17 | | 2026-10-19 | 2,000 | 3.82 | 17 | | 2026-10-15 | 2,000 | 3.82 | 17 | | 2026-10-09 | 2,000 | 3.82 | 17 | | 2026-10-02 | 2,000 | 3.82 | 17 | | 2026-09-26 | 2,000 | 3.82 | 17 | ## What changed Every change found on a check, newest first. - 2026-10-27: New version `2.3.4`, replacing `2.3.3`. - 2026-10-26: New version `2.3.3`, replacing `2.3.2`. - 2026-10-20: New version `2.3.2`, replacing `2.3.0`. - 2026-10-19: New version `2.3.0`, replacing `2.2.2`. - 2026-10-19: Renamed from “DuoNinja - Dual captions for YouTube videos” to “DuoNinja - Dual captions for YouTube and Netflix”. - 2026-10-19: Added the site `https://*.nflxvideo.net/*`. - 2026-10-19: Added the site where it runs scripts `https://*.netflix.com/*`. - 2026-10-02: New version `2.2.2`, replacing `2.2.1`. ## Developer history Moves to another publisher account and new contact emails, newest first. No move to another account and no new contact email since tracking began on 2026-09-26. 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. ### Sites - `http://localhost:3000/*`: localhost:3000 - `https://*.nflxvideo.net/*`: nflxvideo.net and its subdomains - `https://www.duolingo.com/*`: www.duolingo.com - `https://www.duoninja.com/*`: www.duoninja.com - `https://www.youtube.com/*`: www.youtube.com ### Sites where it runs scripts - `https://*.netflix.com/*`: netflix.com and its subdomains - `https://www.duolingo.com/*`: www.duolingo.com - `https://www.youtube.com/*`: www.youtube.com ### Browser features - `storage`: Save settings and data in your browser ## More from this developer Other extensions from the same publisher account. | Extension | Users | Rating | Ratings | Category | | --- | ---: | ---: | ---: | --- | | [Lingo Champion](https://extensiontracker.com/extension/jjbaohhbimlnboamjmdbblhjomhnipff) | 1,000 | 5.00 | 6 | Education | | [AI Prompt Saver](https://extensiontracker.com/extension/ipplfghnambhfflimmpbicbjhfgpfeoo) | 893 | 5.00 | 7 | Workflow & Planning | | [MultiCaptions - Multi-Language Captions for YouTube](https://extensiontracker.com/extension/nhaekeoggplmpllofmgpjioiebkjonpd) | 259 | 4.00 | 2 | Education | All 4 extensions by [Mink OÜ](https://extensiontracker.com/developer/u1c60c651fdcf95efa777a298b3ce82fc). ## About this data Collected from the extension's public Chrome Web Store listing. It's checked every week, because it has 1,000 or more users, and again whenever a new version appears. Last checked 2026-11-11 01:11 UTC; next check around 2026-11-18. How the data is collected: . ## Cite this page Extension Tracker. “DuoNinja - Dual captions for YouTube and Netflix” (cdiecbgkdbkloiniekbfblbdbjgehpgb). Chrome Web Store data, last checked 2026-11-11. https://extensiontracker.com/extension/cdiecbgkdbkloiniekbfblbdbjgehpgb. Accessed 2026-11-13. ```bibtex @misc{extensiontracker_cdiecbgkdbkloiniekbfblbdbjgehpgb, title = {DuoNinja - Dual captions for YouTube and Netflix (cdiecbgkdbkloiniekbfblbdbjgehpgb)}, author = {{Extension Tracker}}, year = {2026}, note = {Chrome Web Store data, last checked 2026-11-11}, url = {https://extensiontracker.com/extension/cdiecbgkdbkloiniekbfblbdbjgehpgb}, urldate = {2026-11-13} } ``` --- 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. Every page except search comes as Markdown too: add `format=md` to the address, as in `https://extensiontracker.com/extension/{id}?format=md`.