Google Calendar Sidebar

Name: Google Calendar Sidebar
Author: Seraphim

By: Seraphim

Shows your Google Calendar in a right-side Firefox sidebar.

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Install

Features & Capabilities

Google Calendar Sidebar adds a fast, elegant calendar pane to the right side of Firefox, inspired by the productivity layout found in Microsoft Outlook.

Instead of switching tabs, you can view your schedule, browse upcoming events, and jump to specific days — all while staying focused on your current page.

Key Features

Right-side Firefox sidebar for always-available calendar access

Mini month view with visual indicators for days that contain events

Agenda view with:

7-day overview

Single-day focus mode

Previous / next navigation

Multiple calendar support Select which Google calendars to display using simple checkboxes

Today, refresh, and quick navigation controls

Click events to open them directly in Google Calendar

Privacy & Security

Uses Google’s official OAuth sign-in flow

Requests read-only access to your Google Calendar

No tracking, analytics, or data collection

Calendar data is processed locally and only used to display events

No information is shared with third parties

Designed for Productivity

This add-on is ideal for users who want Outlook-style calendar visibility without leaving Firefox — perfect for work, scheduling, and multitasking.

User Growth & Download Statistics

Add-on

By:

Seraphim

Daily users:

Version:

0.2.3 Last updated: 2026-01-21

Version code:

6124731

Creation date:

2026-01-18

Risk:

Permissions:

Host permissions:

https://www.googleapis.com/*

Size:

15.13KB

Email:

ge*****@proton.me

Full description:

Source:

Firefox Add-ons Store

Data ingested on:

2026-07-06

Compare stats and ranking:

Ranking

# 30,943 ▼ 50

Other rankings

#17 in google calendar keyword 38 #40 in calendar keyword 28 ▼ 1#131 in deepseek sidebar keyword 40 ▲ 2#133 in sidebar keyword 34 ▲ 1#158 in agenda keyword 19 ▲ 2

For Developers

Monetize with App Pass Boost with Extension Booster

Contact the developer

Chrome-Stats does not own this Firefox add-on. Please use these information below to contact the Firefox add-on developer.

Developed by:

Seraphim

Firefox Add-ons Store

https://addons.mozilla.org/firefox/addon/google-calendar-sidebar/

Email:

ge*****@proton.me

Is Google Calendar Sidebar Safe?

Risk impact

Risk impact measures the level of extra permissions an extension has access to. A low risk impact extension cannot do much harms, whereas a high risk impact extension can do a lot of damage like stealing your password, bypassing your security settings, and accessing your personal data. High risk impact extensions are not necessarily malicious. However, if they do turn malicious, they can be very harmful.

Google Calendar Sidebar requires some sensitive permissions that could impact your browser and data security. Exercise caution before installing.

Risk impact analysis details

Critical Grants access to browser tabs, which can be used to track user browsing habits and history, presenting a privacy concern.
Critical ******* ****** ** *** ********* ******** **************

Risk likelihood

Risk likelihood measures the probability that a Firefox add-on may turn malicious. This is determined by the publisher and the Firefox add-on reputation on Firefox Add-ons Store, the amount of time the Firefox add-on has been around, and other signals about the Firefox add-on. Our algorithms are not perfect, and are subject to change as we discover new ways to detect malicious extensions. We recommend that you always exercise caution when installing a Firefox add-on.

Google Calendar Sidebar is probably trust-worthy. Prefer other publishers if available. Exercise caution when installing this add-on.

Risk likelihood analysis details

High This extension has low user count. Unpopular extensions may not be stable or safe.
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