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Quick Look

G-calize allows you to personalize your Google Calendar by applying custom text and background colors to specific days and holidays.

AI Overview

Who is this for?

Users who want to visually differentiate days or events in their Google Calendar.

Key Features

  • Customizable colors for each day of the week
  • Option to color-code holidays
  • Easy-to-use settings screen
  • Supports dark mode
  • Works directly with Google Calendar

Reviews Analysis

Overall Sentiment

Mostly Positive

Users appreciate the customization options for Google Calendar colors, though some minor adjustements might be needed for specific views.

Note: AI analysis focuses on the substance and recency of reviews, which may differ from the overall store rating.


What Users Love

  • Effectively colors individual days and holidays.
  • Easy to set up and use for personalization.
  • Supports dark mode and adapts to new Google Calendar designs.

Points to Consider

  • × Colors can sometimes be misaligned in week view.
  • × Requires a page reload after installation.
  • × Does not work with custom Google Workspace addresses.

Official Description

From the Developer


On Google Calendar... Sunday, Saturday, Today, and other weekdays, You can select the text color and background color.

  1. Click the extension icon or select "G-calize" from the context menu to open the settings screen.
  2. Set your preferred colors for each day of the week.
  3. Optional: Select a holiday calendar and set holiday colors. * You must reload the calendar page once after installation. * Works with the URL calendar.google.com/calendar. Does not work if you use a Google Workspace custom address.

🆕 2024.12.05 Version 2.3.0

  • Supports schedule display.
  • Added a function to display the settings screen in a smaller size only in month view.
  • Other fine-tuning.

2024.11.06 Version 2.2.0

  • Supports dark mode display. Other fine-tuning.

2023.11.27 Version 2.1.0

  • Added background color and border color to today's color.
  • Fixed an issue where colors were misaligned in week view.

2023.08.20 Version 2.0.0

  • Changed the way to open the settings screen.
  • Renewed the settings screen.
  • Removed today's text color and background color, changed to accent color selection.
  • Fixed an issue where the holiday calendar could not be selected.

2018.02.02 Version 1.4.0

  • Supports the new Google Calendar design.

2011.09.28 Version 1.0.0

  • First release.

Your extension? Let us know if we can update or correct anything!

Key Info

  • Rating:
    4.2/5.0

    (214 ratings)

  • Users:200,000
  • Version:2.3.2
  • Updated:May 06, 2025
  • Developer:Visit Website →

Stats from Chrome Web Store