--- title: "GradeBac - ManageBac Grade Calculator – Chrome extension stats, history and permissions" description: "1,000 users, rated 4.40 by 5 people. Version 2.1, updated 2026-06-03. Requests 92 permissions." url: "https://extensiontracker.com/extension/abojieelcphbbhebcibbekangkmdbhnd" --- # GradeBac - ManageBac Grade Calculator Live in the Chrome Web Store. - Users: 1,000 - Rating: 4.40 from 5 ratings - Last checked: 2026-09-26 21:33 UTC - Users gained in 7 days: – (needs a week of history) - Users gained in 30 days: – (needs a month of history) - Rank by users: #17,733 of 264,703 live extensions - Rank in Education: #531 of 11,063 ## The listing What the Chrome Web Store shows, as of the last check. Summary from the listing: > Automatically calculates final grades on ManageBac and predicts future grades. - Extension ID: `abojieelcphbbhebcibbekangkmdbhnd` - Developer: [GradeBac](https://extensiontracker.com/developer/uaf06cb6ed5da1fa4fc258a1d3eef8bb5) - Category: [Productivity › Education](https://extensiontracker.com/category/productivity/education) - First published: 2025-09-18 - Last updated: 2026-06-03 - Version: `2.1` - Size: 1006 KiB - Minimum Chrome: 88 - Languages (1): English - Privacy policy: `https://kevinwk.notion.site/Privacy-Policy-for-GradeBac-2580d3b1c5be804c9b69e005b66057e4` - Chrome Web Store: - View the code or download the CRX, in CRX Viewer: ## Users over time One row per check, newest first, as shown on the Chrome Web Store. | Checked | Users | Rating | Ratings | | --- | ---: | ---: | ---: | | 2026-09-26 | 1,000 | 4.40 | 5 | ## What changed Every change found on a check, newest first. No changes found since tracking began on 2026-09-26. ## What it can access From the extension's manifest, in plain language. ### Sites - `*://*.managebac.ae/*`: managebac.ae and its subdomains - `*://*.managebac.am/*`: managebac.am and its subdomains - `*://*.managebac.ar/*`: managebac.ar and its subdomains - `*://*.managebac.at/*`: managebac.at and its subdomains - `*://*.managebac.au/*`: managebac.au and its subdomains - `*://*.managebac.az/*`: managebac.az and its subdomains - `*://*.managebac.bd/*`: managebac.bd and its subdomains - `*://*.managebac.be/*`: managebac.be and its subdomains - `*://*.managebac.bg/*`: managebac.bg and its subdomains - `*://*.managebac.bh/*`: managebac.bh and its subdomains - `*://*.managebac.br/*`: managebac.br and its subdomains - `*://*.managebac.by/*`: managebac.by and its subdomains - `*://*.managebac.ca/*`: managebac.ca and its subdomains - `*://*.managebac.ch/*`: managebac.ch and its subdomains - `*://*.managebac.cl/*`: managebac.cl and its subdomains - `*://*.managebac.cn/*`: managebac.cn and its subdomains - `*://*.managebac.com/*`: managebac.com and its subdomains - `*://*.managebac.cy/*`: managebac.cy and its subdomains - `*://*.managebac.cz/*`: managebac.cz and its subdomains - `*://*.managebac.de/*`: managebac.de and its subdomains - `*://*.managebac.dk/*`: managebac.dk and its subdomains - `*://*.managebac.dz/*`: managebac.dz and its subdomains - `*://*.managebac.ee/*`: managebac.ee and its subdomains - `*://*.managebac.eg/*`: managebac.eg and its subdomains - `*://*.managebac.es/*`: managebac.es and its subdomains - `*://*.managebac.et/*`: managebac.et and its subdomains - `*://*.managebac.fi/*`: managebac.fi and its subdomains - `*://*.managebac.fr/*`: managebac.fr and its subdomains - `*://*.managebac.ge/*`: managebac.ge and its subdomains - `*://*.managebac.gh/*`: managebac.gh and its subdomains - `*://*.managebac.gr/*`: managebac.gr and its subdomains - `*://*.managebac.hk/*`: managebac.hk and its subdomains - `*://*.managebac.hr/*`: managebac.hr and its subdomains - `*://*.managebac.hu/*`: managebac.hu and its subdomains - `*://*.managebac.id/*`: managebac.id and its subdomains - `*://*.managebac.il/*`: managebac.il and its subdomains - `*://*.managebac.in/*`: managebac.in and its subdomains - `*://*.managebac.it/*`: managebac.it and its subdomains - `*://*.managebac.jp/*`: managebac.jp and its subdomains - `*://*.managebac.ke/*`: managebac.ke and its subdomains - `*://*.managebac.kg/*`: managebac.kg and its subdomains - `*://*.managebac.kh/*`: managebac.kh and its subdomains - `*://*.managebac.kr/*`: managebac.kr and its subdomains - `*://*.managebac.kw/*`: managebac.kw and its subdomains - `*://*.managebac.kz/*`: managebac.kz and its subdomains - `*://*.managebac.la/*`: managebac.la and its subdomains - `*://*.managebac.lk/*`: managebac.lk and its subdomains - `*://*.managebac.lt/*`: managebac.lt and its subdomains - `*://*.managebac.lu/*`: managebac.lu and its subdomains - `*://*.managebac.lv/*`: managebac.lv and its subdomains - `*://*.managebac.ma/*`: managebac.ma and its subdomains - `*://*.managebac.md/*`: managebac.md and its subdomains - `*://*.managebac.mm/*`: managebac.mm and its subdomains - `*://*.managebac.mn/*`: managebac.mn and its subdomains - `*://*.managebac.mt/*`: managebac.mt and its subdomains - `*://*.managebac.mx/*`: managebac.mx and its subdomains - `*://*.managebac.my/*`: managebac.my and its subdomains - `*://*.managebac.ng/*`: managebac.ng and its subdomains - `*://*.managebac.nl/*`: managebac.nl and its subdomains - `*://*.managebac.no/*`: managebac.no and its subdomains - `*://*.managebac.np/*`: managebac.np and its subdomains - `*://*.managebac.om/*`: managebac.om and its subdomains - `*://*.managebac.pe/*`: managebac.pe and its subdomains - `*://*.managebac.ph/*`: managebac.ph and its subdomains - `*://*.managebac.pk/*`: managebac.pk and its subdomains - `*://*.managebac.pl/*`: managebac.pl and its subdomains - `*://*.managebac.pt/*`: managebac.pt and its subdomains - `*://*.managebac.qa/*`: managebac.qa and its subdomains - `*://*.managebac.ro/*`: managebac.ro and its subdomains - `*://*.managebac.ru/*`: managebac.ru and its subdomains - `*://*.managebac.sa/*`: managebac.sa and its subdomains - `*://*.managebac.se/*`: managebac.se and its subdomains - `*://*.managebac.sg/*`: managebac.sg and its subdomains - `*://*.managebac.si/*`: managebac.si and its subdomains - `*://*.managebac.sk/*`: managebac.sk and its subdomains - `*://*.managebac.sn/*`: managebac.sn and its subdomains - `*://*.managebac.th/*`: managebac.th and its subdomains - `*://*.managebac.tj/*`: managebac.tj and its subdomains - `*://*.managebac.tr/*`: managebac.tr and its subdomains - `*://*.managebac.tw/*`: managebac.tw and its subdomains - `*://*.managebac.tz/*`: managebac.tz and its subdomains - `*://*.managebac.ua/*`: managebac.ua and its subdomains - `*://*.managebac.ug/*`: managebac.ug and its subdomains - `*://*.managebac.uk/*`: managebac.uk and its subdomains - `*://*.managebac.us/*`: managebac.us and its subdomains - `*://*.managebac.uz/*`: managebac.uz and its subdomains - `*://*.managebac.vn/*`: managebac.vn and its subdomains - `*://*.managebac.ye/*`: managebac.ye and its subdomains - `*://*.managebac.za/*`: managebac.za and its subdomains - `*://*.managebac.zm/*`: managebac.zm and its subdomains - `*://*.managebac.zw/*`: managebac.zw and its subdomains ### Sites where it runs scripts - `*://*.managebac.ae/*`: managebac.ae and its subdomains - `*://*.managebac.am/*`: managebac.am and its subdomains - `*://*.managebac.ar/*`: managebac.ar and its subdomains - `*://*.managebac.at/*`: managebac.at and its subdomains - `*://*.managebac.au/*`: managebac.au and its subdomains - `*://*.managebac.az/*`: managebac.az and its subdomains - `*://*.managebac.bd/*`: managebac.bd and its subdomains - `*://*.managebac.be/*`: managebac.be and its subdomains - `*://*.managebac.bg/*`: managebac.bg and its subdomains - `*://*.managebac.bh/*`: managebac.bh and its subdomains - `*://*.managebac.br/*`: managebac.br and its subdomains - `*://*.managebac.by/*`: managebac.by and its subdomains - `*://*.managebac.ca/*`: managebac.ca and its subdomains - `*://*.managebac.ch/*`: managebac.ch and its subdomains - `*://*.managebac.cl/*`: managebac.cl and its subdomains - `*://*.managebac.cn/*`: managebac.cn and its subdomains - `*://*.managebac.com/*`: managebac.com and its subdomains - `*://*.managebac.cy/*`: managebac.cy and its subdomains - `*://*.managebac.cz/*`: managebac.cz and its subdomains - `*://*.managebac.de/*`: managebac.de and its subdomains - `*://*.managebac.dk/*`: managebac.dk and its subdomains - `*://*.managebac.dz/*`: managebac.dz and its subdomains - `*://*.managebac.ee/*`: managebac.ee and its subdomains - `*://*.managebac.eg/*`: managebac.eg and its subdomains - `*://*.managebac.es/*`: managebac.es and its subdomains - `*://*.managebac.et/*`: managebac.et and its subdomains - `*://*.managebac.fi/*`: managebac.fi and its subdomains - `*://*.managebac.fr/*`: managebac.fr and its subdomains - `*://*.managebac.ge/*`: managebac.ge and its subdomains - `*://*.managebac.gh/*`: managebac.gh and its subdomains - `*://*.managebac.gr/*`: managebac.gr and its subdomains - `*://*.managebac.hk/*`: managebac.hk and its subdomains - `*://*.managebac.hr/*`: managebac.hr and its subdomains - `*://*.managebac.hu/*`: managebac.hu and its subdomains - `*://*.managebac.id/*`: managebac.id and its subdomains - `*://*.managebac.il/*`: managebac.il and its subdomains - `*://*.managebac.in/*`: managebac.in and its subdomains - `*://*.managebac.it/*`: managebac.it and its subdomains - `*://*.managebac.jp/*`: managebac.jp and its subdomains - `*://*.managebac.ke/*`: managebac.ke and its subdomains - `*://*.managebac.kg/*`: managebac.kg and its subdomains - `*://*.managebac.kh/*`: managebac.kh and its subdomains - `*://*.managebac.kr/*`: managebac.kr and its subdomains - `*://*.managebac.kw/*`: managebac.kw and its subdomains - `*://*.managebac.kz/*`: managebac.kz and its subdomains - `*://*.managebac.la/*`: managebac.la and its subdomains - `*://*.managebac.lk/*`: managebac.lk and its subdomains - `*://*.managebac.lt/*`: managebac.lt and its subdomains - `*://*.managebac.lu/*`: managebac.lu and its subdomains - `*://*.managebac.lv/*`: managebac.lv and its subdomains - `*://*.managebac.ma/*`: managebac.ma and its subdomains - `*://*.managebac.md/*`: managebac.md and its subdomains - `*://*.managebac.mm/*`: managebac.mm and its subdomains - `*://*.managebac.mn/*`: managebac.mn and its subdomains - `*://*.managebac.mt/*`: managebac.mt and its subdomains - `*://*.managebac.mx/*`: managebac.mx and its subdomains - `*://*.managebac.my/*`: managebac.my and its subdomains - `*://*.managebac.ng/*`: managebac.ng and its subdomains - `*://*.managebac.nl/*`: managebac.nl and its subdomains - `*://*.managebac.no/*`: managebac.no and its subdomains - `*://*.managebac.np/*`: managebac.np and its subdomains - `*://*.managebac.om/*`: managebac.om and its subdomains - `*://*.managebac.pe/*`: managebac.pe and its subdomains - `*://*.managebac.ph/*`: managebac.ph and its subdomains - `*://*.managebac.pk/*`: managebac.pk and its subdomains - `*://*.managebac.pl/*`: managebac.pl and its subdomains - `*://*.managebac.pt/*`: managebac.pt and its subdomains - `*://*.managebac.qa/*`: managebac.qa and its subdomains - `*://*.managebac.ro/*`: managebac.ro and its subdomains - `*://*.managebac.ru/*`: managebac.ru and its subdomains - `*://*.managebac.sa/*`: managebac.sa and its subdomains - `*://*.managebac.se/*`: managebac.se and its subdomains - `*://*.managebac.sg/*`: managebac.sg and its subdomains - `*://*.managebac.si/*`: managebac.si and its subdomains - `*://*.managebac.sk/*`: managebac.sk and its subdomains - `*://*.managebac.sn/*`: managebac.sn and its subdomains - `*://*.managebac.th/*`: managebac.th and its subdomains - `*://*.managebac.tj/*`: managebac.tj and its subdomains - `*://*.managebac.tr/*`: managebac.tr and its subdomains - `*://*.managebac.tw/*`: managebac.tw and its subdomains - `*://*.managebac.tz/*`: managebac.tz and its subdomains - `*://*.managebac.ua/*`: managebac.ua and its subdomains - `*://*.managebac.ug/*`: managebac.ug and its subdomains - `*://*.managebac.uk/*`: managebac.uk and its subdomains - `*://*.managebac.us/*`: managebac.us and its subdomains - `*://*.managebac.uz/*`: managebac.uz and its subdomains - `*://*.managebac.vn/*`: managebac.vn and its subdomains - `*://*.managebac.ye/*`: managebac.ye and its subdomains - `*://*.managebac.za/*`: managebac.za and its subdomains - `*://*.managebac.zm/*`: managebac.zm and its subdomains - `*://*.managebac.zw/*`: managebac.zw and its subdomains ### Browser features - `storage`: Save settings and data in your browser ## 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 2026-09-26 21:33 UTC; next check around 2026-10-02. How the data is collected: . ## Cite this page Extension Tracker. “GradeBac - ManageBac Grade Calculator” (abojieelcphbbhebcibbekangkmdbhnd). Chrome Web Store data, last checked 2026-09-26. https://extensiontracker.com/extension/abojieelcphbbhebcibbekangkmdbhnd. Accessed 2026-09-28. ```bibtex @misc{extensiontracker_abojieelcphbbhebcibbekangkmdbhnd, title = {GradeBac - ManageBac Grade Calculator (abojieelcphbbhebcibbekangkmdbhnd)}, author = {{Extension Tracker}}, year = {2026}, note = {Chrome Web Store data, last checked 2026-09-26}, url = {https://extensiontracker.com/extension/abojieelcphbbhebcibbekangkmdbhnd}, urldate = {2026-09-28} } ``` --- 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. Extension, developer and list pages come as Markdown too: add `format=md` to the address, as in `https://extensiontracker.com/extension/{id}?format=md`.