Is Calendar Planner & Custom Web Search safe?

Clean risk

Adds a browser calendar for appointments and sets Yahoo as the default web search provider.

This extension opens a calendar planner in a new tab, where you can schedule, edit, delete, color-code, and search appointments and holidays. It can show reminder notifications before scheduled appointments and stores extension data in the browser. The store description says the calendar tool collects anonymized IP address and technical data for analytics, reporting, optimization, product upgrades, and fraud detection.

Calendar PlannerFirefox Add-ons
0Risk

AI-generated. Findings may contain errors. Those marked Verified have been manually reviewed.

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Where it sends data

Destinations our analysis observed Calendar Planner & Custom Web Search contacting. Sending data somewhere is not a finding on its own - an extension that syncs your settings has to talk to its own server - but it is where your data can go, and who else it goes to.

  • calendarplanner.co

    Calendar Planner & Custom Web Search sends data to calendarplanner.co. No other extension we have analysed sends data here.

  • Yahoowidely used

    Calendar Planner & Custom Web Search sends data to Yahoo. Named as a recipient by 42 other extensions we have analysed.

  • Innover Group

    Calendar Planner & Custom Web Search sends data to Innover Group. Named as a recipient by 2 other extensions we have analysed.

Updated 15 October 2026amo-2816586