ClassCalc
Chrome Web Store listing by ClassCalc
- Established publisher
A Chrome extension with 0 users, no reported installs. Audience over the last 30 days: unchanged.
No site access is declared in the manifest, so it cannot read the pages you open on its own.
What the developer says, and 5 screenshots
Loading from the Chrome Web Store. Open the listing if it does not appear.
- Users
- not published (the store states no audience for this listing)
- Users, last 30 days
- Unchanged
- Version
- 1.0.3
- Updated in the store
- 2020-01-19
- Published
- 2019-12-10
- Manifest
- V2
- Browser access
- 2 permissions
How it has moved
- 2026-10-110
- 2026-09-010
- 2026-10-110
A dot marks a day the store showed a different number. Between them the line carries the last one forward: we read every listing up to 2 times a day and record a point only when something moves. History beyond ninety days is in the app.
What it can reach
No site access is declared in the manifest, so it cannot read the pages you open on its own.
-
Declares
videoCapture -
Declares
webview
What changed recently
Nothing has moved on this listing since we started watching it.
The publisher
ClassCalc. Listed website: classcalc.com.
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The top 5 only. The full comparison, with why each one is close, is on the alternatives page; ranking a whole neighbourhood by your own criteria is in the app.
Is this your extension?
Connect it to Ext Ops Panel and see installs, uninstalls and uninstall reasons as events arrive, not as a weekly summary.
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The badge shows the audience and rating from our last pass over the store and links back to this page.
[](https://extops.dev/extensions/egnajhdgmnhakndpblcfadiofenojpeh)<a href="https://extops.dev/extensions/egnajhdgmnhakndpblcfadiofenojpeh"><img src="https://extops.dev/extensions/egnajhdgmnhakndpblcfadiofenojpeh/badge.svg" alt="Users and rating on Ext Ops Panel" height="20"></a>Figures come from our own regular passes over the public Chrome Web Store listing, last read on . The store has not changed these figures since 2026-09-01, when we first saw this listing. We publish no contact details for extension developers.