--- title: "Coursera Subtitle Reader - AI Boost – Chrome extension stats, history and permissions" description: "171 users, rated 4.20 by 5 people. Version 1.5.6, updated 2025-10-19. Requests 11 permissions." url: "https://extensiontracker.com/extension/jckpgojffpcgfjolaidiafolmlbhhdic" --- # Coursera Subtitle Reader - AI Boost Live in the Chrome Web Store. - Users: 171 - Rating: 4.20 from 5 ratings - Last checked: 2026-11-01 14:54 UTC - Users gained in 7 days: No change - Users gained in 30 days: −4 (-2.3%) - Rank by users: #54,327 of 292,131 live extensions - Rank in Tools: #16,757 of 115,641 ## The listing What the Chrome Web Store shows, as of the last check. Summary from the listing: > Boost Coursera learning with subtitles in many languages, live voice-over, and custom speed (0.75x-3.0x). Ideal for global students! - Extension ID: `jckpgojffpcgfjolaidiafolmlbhhdic` - Developer: [Mara Solutions LLC](https://extensiontracker.com/developer/ua2473acb4a15be4fff5b635c70db48ed) - Enhanced Safe Browsing: Trusted ([what this means](https://extensiontracker.com/enhanced-safe-browsing)) - Category: [Productivity › Tools](https://extensiontracker.com/category/productivity/tools) - First published: 2025-06-09 - Last updated: 2025-10-19 - Version: `1.5.6` - Size: 660 KiB - Minimum Chrome: 88 - Languages (23): Deutsch, English, Filipino, Indonesia, Tiếng Việt, Türkçe, español, français, italiano, norsk, português (Brasil), português (Portugal), svenska, русский, українська, العربية, हिन्दी, ไทย, አማርኛ, 中文（中国）, 中文（台灣）, 日本語, 한국어 - Website: `https://www.courserasubtitlereader.com/` - Support page: `https://courserasubtitlereader.com/#contact` - 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 | 171 | 4.20 | 5 | | 2026-10-03 | 175 | 4.20 | 5 | | 2026-09-27 | 171 | 4.20 | 5 | ## What changed Every change found on a check, newest first. No changes found since tracking began on 2026-09-27. ## 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 2026-09-27. 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 - `http://127.0.0.1:8000/*`: 127.0.0.1:8000 - `https://courserasubtitlereader.com/*`: courserasubtitlereader.com - `https://www.coursera.org/*`: www.coursera.org ### Sites where it runs scripts - ``: Every website ### Browser features - `identity`: Sign you in with your Google account - `notifications`: Show notifications - `offscreen`: Open a hidden page for background work - `scripting`: Run scripts on sites it can reach - `sidePanel`: Show a side panel - `storage`: Save settings and data in your browser - `tabs`: Read the addresses and titles of your tabs - `webNavigation`: Follow your browsing, page by page ## More from this developer Other extensions from the same publisher account. | Extension | Users | Rating | Ratings | Category | | --- | ---: | ---: | ---: | --- | | [2FA Authenticator Guard](https://extensiontracker.com/extension/pdiccmolmknojplidnlkaenkejbminpp) | 20,000 | 3.77 | 22 | Privacy & Security | | [Udemy Subtitle Reader](https://extensiontracker.com/extension/haapkcgjdfhkkoedipfpknnbcceopieh) | 311 | 4.00 | 8 | Education | | [Currency Conversion](https://extensiontracker.com/extension/jmnihnlmjkfiakcpaehlcjpcicgfchec) | 255 | 5.00 | 3 | Workflow & Planning | | [Gemini Watermark Remover](https://extensiontracker.com/extension/cedomjmjimaoplnlnfbdnhgbkimcknpg) | 199 | – | – | Tools | | [ScreenRecPro](https://extensiontracker.com/extension/gahlngdoanfigablopbkppdmmjbpbcgk) | 116 | – | – | Workflow & Planning | | [TinyNote](https://extensiontracker.com/extension/pkelhpllmleiamnkkfmokdkmnobkfbcg) | 45 | – | – | Tools | | [Bookmark Master](https://extensiontracker.com/extension/bmpjnibkfcnnackjeljeggalambihadl) | 23 | 3.00 | 1 | Tools | | [Cuto Cursors - customize the cursor](https://extensiontracker.com/extension/mamdklmnbdgpdpkihfiogidacdcdbond) | 20 | 4.50 | 2 | Just for Fun | | [Trustpilot Review Exporter](https://extensiontracker.com/extension/boinjaijnbookeobpjkckncfhmenjpef) | 16 | 5.00 | 1 | Tools | | [Lời Bài Hát](https://extensiontracker.com/extension/bbmofflockohhlmefaplipdnhoohjhkh) | 15 | – | – | Just for Fun | All 17 extensions by [Mara Solutions LLC](https://extensiontracker.com/developer/ua2473acb4a15be4fff5b635c70db48ed). ## 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 14:54 UTC; next check around 2026-12-04. How the data is collected: . ## Cite this page Extension Tracker. “Coursera Subtitle Reader - AI Boost” (jckpgojffpcgfjolaidiafolmlbhhdic). Chrome Web Store data, last checked 2026-11-01. https://extensiontracker.com/extension/jckpgojffpcgfjolaidiafolmlbhhdic. Accessed 2026-11-13. ```bibtex @misc{extensiontracker_jckpgojffpcgfjolaidiafolmlbhhdic, title = {Coursera Subtitle Reader - AI Boost (jckpgojffpcgfjolaidiafolmlbhhdic)}, author = {{Extension Tracker}}, year = {2026}, note = {Chrome Web Store data, last checked 2026-11-01}, url = {https://extensiontracker.com/extension/jckpgojffpcgfjolaidiafolmlbhhdic}, 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. 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