--- title: "Google Calendar Background – Chrome extension stats, history and permissions" description: "3,000 users, rated 5.00 by 4 people. Version 2.1, updated 2026-10-21. Requests 3 permissions." url: "https://extensiontracker.com/extension/mddhhbipegnmdjpefgnemfgokbjkkoii" --- # Google Calendar Background Live in the Chrome Web Store. - Users: 3,000 - Rating: 5.00 from 4 ratings - Last checked: 2026-11-13 02:34 UTC - Users gained in 7 days: No change - Users gained in 30 days: No change (+0.0%) - Rank by users: #14,552 of 292,131 live extensions - Rank in Tools: #3,631 of 115,641 ## The listing What the Chrome Web Store shows, as of the last check. Summary from the listing: > Customize your Google Calendar background image; supports built-in themes and custom themes. - Extension ID: `mddhhbipegnmdjpefgnemfgokbjkkoii` - Developer: [TheToolsDev](https://extensiontracker.com/developer/u1fefad2d55a7cd114aee68d408aceef7) - Enhanced Safe Browsing: Trusted ([what this means](https://extensiontracker.com/enhanced-safe-browsing)) - Category: [Productivity › Tools](https://extensiontracker.com/category/productivity/tools) - First published: 2026-05-07 - Last updated: 2026-10-21 - Version: `2.1` - Size: 2.24 MiB - Minimum Chrome: 88 - Languages (55): Deutsch, English, English (Australia), English (United Kingdom), English (United States), Filipino, Indonesia, Kiswahili, Melayu, Nederlands, Tiếng Việt, Türkçe, català, dansk, eesti, español, español (Latinoamérica), français, hrvatski, italiano, latviešu, lietuvių, magyar, norsk, polski, português (Brasil), português (Portugal), română, slovenčina, slovenščina, suomi, svenska, čeština, Ελληνικά, български, русский, српски, українська, עברית, العربية, فارسی, मराठी, हिन्दी, বাংলা, ગુજરાતી, தமிழ், తెలుగు, ಕನ್ನಡ, മലയാളം, ไทย, አማርኛ, 中文（中国）, 中文（台灣）, 日本語, 한국어 - Privacy policy: `https://docs.google.com/document/d/1cxIGLBBT-eUvjXgtytO9yA1SBpp9_II6c65sgHpR4i4/edit?usp=sharing&priv=Google-Calendar-Background` - 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 | | --- | ---: | ---: | ---: | | 2026-11-13 | 3,000 | 5.00 | 4 | | 2026-11-05 | 2,000 | 5.00 | 4 | | 2026-10-29 | 2,000 | 5.00 | 4 | | 2026-10-22 | 2,000 | 5.00 | 4 | | 2026-10-21 | 2,000 | 5.00 | 4 | | 2026-10-10 | 2,000 | 5.00 | 4 | | 2026-10-03 | 2,000 | 5.00 | 4 | | 2026-09-27 | 2,000 | 5.00 | 4 | ## What changed Every change found on a check, newest first. - 2026-10-23: Now trusted by Enhanced Safe Browsing. - 2026-10-22: Listed in the Chrome Web Store again. - 2026-10-21: Unlisted in the Chrome Web Store, but still available to install. - 2026-10-21: New version `2.1`, replacing `1.1`. - 2026-10-16: Removed from the Chrome Web Store. - 2026-10-16: No longer trusted by Enhanced Safe Browsing. ## 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 where it runs scripts - `*://calendar.google.com/calendar/*`: calendar.google.com ### Browser features - `storage`: Save settings and data in your browser - `tabs`: Read the addresses and titles of your tabs - `unlimitedStorage`: Store more data than the usual limit ## More from this developer Other extensions from the same publisher account. | Extension | Users | Rating | Ratings | Category | | --- | ---: | ---: | ---: | --- | | [Behance Image Downloader](https://extensiontracker.com/extension/alnbnoeahkabanhpbjdaeihhooihnkij) | 10,000 | 3.87 | 31 | Tools | | [Bookmarks clean up](https://extensiontracker.com/extension/ggidcgmfmjieiibbilooffjciemjjikg) | 1,000 | 4.96 | 23 | Tools | | [Flip Camera](https://extensiontracker.com/extension/hmgkoacimhgacbkkbphgfajpnibbhinn) | 733 | 5.00 | 1 | Tools | | [Typing Sound](https://extensiontracker.com/extension/mojdalfmgfjpgodkobbmcnhjdmpbompf) | 596 | – | – | Tools | | [Disable auto play videos](https://extensiontracker.com/extension/kkjnodlbneoinonaedllhpkpaoaghphf) | 574 | 2.82 | 11 | Tools | | [Auto edclub](https://extensiontracker.com/extension/bkcedcfganhnkhphcfagmnoamnginlnb) | 465 | 3.00 | 1 | Tools | | [Export Spotify Playlist](https://extensiontracker.com/extension/lfokidhnkhacijgnlicebdafbgdggpoj) | 440 | 3.00 | 2 | Tools | | [HTML Inserter for Gmail](https://extensiontracker.com/extension/hncghnhoghpjogeleldleekgaibclobi) | 324 | – | – | Tools | | [Hotkeys](https://extensiontracker.com/extension/echnbcgmgndgnaoklhbjfjeoapmeadgf) | 244 | – | – | Functionality & UI | | [Measure Pixels on Screen](https://extensiontracker.com/extension/ogffllcgknnajpidphgmgbegebejkhin) | 15 | – | – | Tools | All 13 extensions by [TheToolsDev](https://extensiontracker.com/developer/u1fefad2d55a7cd114aee68d408aceef7). ## 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 2026-11-13 02:34 UTC; next check around 2026-11-19. How the data is collected: . ## Cite this page Extension Tracker. “Google Calendar Background” (mddhhbipegnmdjpefgnemfgokbjkkoii). Chrome Web Store data, last checked 2026-11-13. https://extensiontracker.com/extension/mddhhbipegnmdjpefgnemfgokbjkkoii. Accessed 2026-11-13. ```bibtex @misc{extensiontracker_mddhhbipegnmdjpefgnemfgokbjkkoii, title = {Google Calendar Background (mddhhbipegnmdjpefgnemfgokbjkkoii)}, author = {{Extension Tracker}}, year = {2026}, note = {Chrome Web Store data, last checked 2026-11-13}, url = {https://extensiontracker.com/extension/mddhhbipegnmdjpefgnemfgokbjkkoii}, 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`.