Klaxon Cloud
by MuckRock more by this developer →
#62,549 of 263,655 by installs on Chrome · #37,039 of 162,012 in productivity
First seen by this census 09/01/2026 — the store does not publish a creation date
Last updated 08/26/2026
Tracked since 09/01/2026
Compare with another extension
Category: productivity / workflow
Languages: English
Description
Klaxon sends you alerts when webpages you're watching change.
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Growth
Change in installs. This store publishes the count rounded to one or two significant figures, so it does not move when the listing grows - it moves when the rounding rolls over. The figures below are therefore what was actually observed between the two crawls named in "measured over", not scaled to the window, and the percentage is of that same rounding step - so a small listing crossing a bucket shows a very large one. A window needs a full period of history before it reports anything.
| Per | Growth | Growth % | Actual change | Measured over |
|---|---|---|---|---|
| day | 0 | — | 0 | 1.1 days |
| week | +14 | — | +14 | 9.8 days |
| month | Not enough history yet | |||
| year | Not enough history yet | |||
History
Users
Ratings
Average rating
Permissions
Access level: Limited — Some access to your activity or data, or to specific websites.
- Reads and changes your data on specific sites
- Run scripts on web pages you visit
- See your open tabs and the pages you're on
- If you allow it: reads and changes your data on all websites
Manifest V3
Reads and changes your data on specific sites
Can ask you for access to all websites
- activeTab — See the page you're currently viewing, only when you click the extension
- identity — Get your basic account/profile information for sign-in
- scripting — Run scripts on web pages you visit
- sidePanel — Show its own panel at the side of your browser
- storage — Save its own settings and data locally
- tabs — See your open tabs and the pages you're on