CalendarBoost icon

CalendarBoost

Established publisherManifest V3 in_app
View in Chrome Web Store Data as of 18 Oct 2026

Add unlimited colors & tags to Google Calendar. Color-code events, apply themed tags, organize beautifully, boost productivity.

Users
55
+11 in 30 days
Rating
5.0 / 5
unchanged in 30 days
Ratings
1
0 in 30 days
Store rank
#106K
#88K among extensions
Version
1.7.0
updated 25 May 2026

Users

monthly, 9 months
02855Jan 2026Jun 2026Oct 2026
Latest, 18 Oct 2026: 55 usersMove the mouse over the chart for any month

Ratings count

monthly, 9 months
001Jan 2026Jun 2026Oct 2026
Latest, 18 Oct 2026: 1 ratingsMove the mouse over the chart for any month

The Chrome Web Store rounds user counts down to the leading digit, so the user line moves in steps. The ratings count is exact and is the better signal of real adoption.

About CalendarBoost

CalendarBoost transforms Google Calendar into a powerful visual organization tool by adding unlimited custom colors and intelligent tag badges to your events. Break free from default limitations and create the perfect color-coded system for managing work, personal life, and everything in between. 🎨 UNLIMITED CUSTOM COLORS Add as many custom colors as you need with our intuitive color picker. No more settling for Google's limited palette - create colors that perfectly match your projects, clients, brands, or personal preferences. Your custom colors instantly appear in Google Calendar's native color selector and work seamlessly across all views (day, week, month, and agenda). 🏷️ VISUAL TAG SYSTEM (Featured!) Transform how you organize events with color-coded tag badges that appear directly on your calendar: • Colored Badge Display: Visual tags with customizable colors for instant recognition • Multi-Tag Support: Add multiple tags per event using simple syntax like "Meeting, Client: Project Discussion" • Smart Syntax Options: - Colon format: "Tag1, Tag2: Event Name" creates colored badges - Question mark: "Event?" marks tentative/optional items (italic, semi-transparent) • Tag Templates: Quick-start with predefined sets for Work, Projects, Personal, Health, and Social • Category Management: Organize tags by categories for better structure • Auto-Rendering: Tags appear instantly across all calendar views 🌈 PREMIUM COLOR THEMES Choose from professionally designed preset themes optimized for specific use cases: • Work Themes: Professional color schemes for business calendars • Personal Themes: Vibrant colors for life organization • Family Themes: Warm tones for household planning • Health & Wellness: Calming colors for fitness and self-care • Social Themes: Energetic colors for events and activities Apply complete color schemes with one click and switch between themes effortlessly. ⚡ SMART INTEGRATION • Automatic Text Color: Adjusts text color based on background brightness for optimal readability • Real-Time Sync: Changes apply instantly across all calendar views • Dark Mode Support: Perfect color rendering in both light and dark themes • Color History: Track recently used colors (PRO feature - last 100 entries) • Import/Export: Share color palettes with teammates or backup across devices 💼 WHO BENEFITS FROM CALENDARBOOST? ✓ Project Managers: Color-code projects while tagging by phase, priority, and team member ✓ Consultants: Use colored tags to distinguish clients, project types, and billing categories at a glance ✓ Teachers & Educators: Tag classes by subject, grade, and activity type with color-coded schedules ✓ Entrepreneurs: Organize tasks with tags like "Urgent", "Follow-up", "Admin" combined with project colors ✓ Students: Tag assignments by subject and due date while color-coding by course ✓ Freelancers: Separate client work, personal projects, and administrative tasks visually ✓ Event Planners: Color-code event types and tag by client, venue, or status ✓ Anyone seeking powerful visual organization beyond basic colors 📱 SEAMLESS EXPERIENCE • Zero Learning Curve: Works directly within Google Calendar's interface • Lightweight & Fast: Optimized performance that won't slow down your browser • Privacy-Focused: All data stored locally on your device - no cloud sync required • Multi-Language Support: Available in English, 简体中文, 繁體中文, Deutsch, Español, Français, Italiano, 日本語, 한국어, and Português • Regular Updates: Continuous improvements and new features • Responsive Support: Quick assistance when you need help Ready to transform your Google Calendar experience? Install CalendarBoost now and start organizing your schedule with unlimited colors and intelligent tag badges!

Growth

WindowUsersChangeRatingsRating
7 days+4+7.8%00.00
30 days+11+25.0%00.00
6 months+45+450.0%00.00

Version history

3 versions recorded
1.7.025 May 2026
1.6.227 Mar 2026
1.6.127 Jan 2026

Details

Category
Workflow & Planning
First seen
27 Jan 2026
Size
215 KB
Languages
de, en, es, fr, it, ja, ko
Pricing
in_app
Privacy policy
workspacepowertools.com
Support
workspacepowertools.com
Extension ID
mpfohggcaojpdkohbobimfpbijdpklod

Permissions and risk

Moderate riskimpact 2, likelihood 2
Permissions
storageunlimitedStorage
Site access
https://calendar.google.com/*http://calendar.google.com/*https://api.workspacepowertools.com/*http://testapi.workspacepowertools.com/*

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