--- title: "Visual Timer by Lesson Shuffle – Chrome extension stats, history and permissions" description: "317 users, rated 5.00 by 4 people. Version 3.7, updated 2026-11-12. Requests 5 permissions." url: "https://extensiontracker.com/extension/iblmcfdoeefpabfcfjgigmaoomcbekcm" --- # Visual Timer by Lesson Shuffle Live in the Chrome Web Store. - Users: 317 - Rating: 5.00 from 4 ratings - Last checked: 2026-11-12 05:43 UTC - Users gained in 7 days: −2 - Users gained in 30 days: +29 (+10.1%) - Rank by users: #41,957 of 292,131 live extensions - Rank in Education: #1,327 of 12,901 ## The listing What the Chrome Web Store shows, as of the last check. Summary from the listing: > A classroom visual timer that floats over any page, including full-screen Google Slides and Canva. Themes, sounds and shortcuts. - Extension ID: `iblmcfdoeefpabfcfjgigmaoomcbekcm` - Developer: [Lesson Shuffle](https://extensiontracker.com/developer/u386d9395541ab483517ae91572ef3430) - Enhanced Safe Browsing: Trusted ([what this means](https://extensiontracker.com/enhanced-safe-browsing)) - Category: [Productivity › Education](https://extensiontracker.com/category/productivity/education) - First published: 2025-09-25 - Last updated: 2026-11-12 - Version: `3.7` - Size: 144 KiB - Minimum Chrome: 114 - Languages (1): English - Website: `lessonshuffle.com` - Support page: `https://apps.lessonshuffle.com/visual-timer/` - 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 | | --- | ---: | ---: | ---: | | 2026-11-12 | 317 | 5.00 | 4 | | 2026-11-08 | 314 | 5.00 | 4 | | 2026-11-07 | 317 | 5.00 | 4 | | 2026-11-06 | 319 | 5.00 | 4 | | 2026-10-09 | 288 | 5.00 | 4 | | 2026-09-27 | 256 | 5.00 | 4 | ## What changed Every change found on a check, newest first. - 2026-11-12: New version `3.7`, replacing `3.5`. - 2026-11-12: The privacy policy link changed. - 2026-11-08: New version `3.5`, replacing `3.4`. - 2026-11-07: New version `3.4`, replacing `3.3`. - 2026-11-06: New version `3.3`, replacing `3.1`. - 2026-11-06: The summary on the listing changed. - 2026-11-06: Removed the permission `tabs`. - 2026-11-06: Added the sites `https://docs.google.com/presentation/*`, `https://www.canva.com/design/*`. - 2026-11-06: Added the sites where it runs scripts `https://docs.google.com/presentation/*`, `https://www.canva.com/design/*`. - 2026-11-06: Minimum Chrome version raised from 88 to 114. ## 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. ### Sites - `https://docs.google.com/presentation/*`: docs.google.com - `https://www.canva.com/design/*`: www.canva.com ### Sites where it runs scripts - `https://docs.google.com/presentation/*`: docs.google.com - `https://www.canva.com/design/*`: www.canva.com ### Browser features - `activeTab`: The tab you're on, only after you click the extension - `scripting`: Run scripts on sites it can reach - `storage`: Save settings and data in your browser ## More from this developer Other extensions from the same publisher account. | Extension | Users | Rating | Ratings | Category | | --- | ---: | ---: | ---: | --- | | [Bell Schedule & Class Alarms](https://extensiontracker.com/extension/ncgcebnhodkfkjjfajphpilkgfpccebb) | 38 | – | – | Education | | [WebInk by Lesson Shuffle](https://extensiontracker.com/extension/jigllodaioibmdjkghjplifpancommno) | 37 | 5.00 | 1 | Education | | [PolyRead by Lesson Shuffle](https://extensiontracker.com/extension/encenjhdcpfpjlhgllkgddmlnokoedgn) | 32 | – | – | Education | | [Padlet Portkey](https://extensiontracker.com/extension/mnomapgmjgdhjfjkmdnjadpojcalonfl) | 9 | – | – | Education | All 5 extensions by [Lesson Shuffle](https://extensiontracker.com/developer/u386d9395541ab483517ae91572ef3430). ## 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 2026-11-12 05:43 UTC; next check around 2026-12-11. How the data is collected: . ## Cite this page Extension Tracker. “Visual Timer by Lesson Shuffle” (iblmcfdoeefpabfcfjgigmaoomcbekcm). Chrome Web Store data, last checked 2026-11-12. https://extensiontracker.com/extension/iblmcfdoeefpabfcfjgigmaoomcbekcm. Accessed 2026-11-13. ```bibtex @misc{extensiontracker_iblmcfdoeefpabfcfjgigmaoomcbekcm, title = {Visual Timer by Lesson Shuffle (iblmcfdoeefpabfcfjgigmaoomcbekcm)}, author = {{Extension Tracker}}, year = {2026}, note = {Chrome Web Store data, last checked 2026-11-12}, url = {https://extensiontracker.com/extension/iblmcfdoeefpabfcfjgigmaoomcbekcm}, 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`.