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Merge duplicate Google Calendar events into one rainbow

Event merge for duplicate cal events on Google Calendar to appear as one rainbow gradient and adds weekend background color.

As of May 2026, Merge duplicate Google Calendar events into one rainbow has 4,000 users and a 4.42/5 rating from 19 reviews in the Workflow & Planning category.

coeditWorkflow & Planning★ Featured
Chrome Web Store ↗.crx
Usersno change0%
4.0K
4,000
Ratingup 0.5 percent+0.5%
4.42
19 reviews
Reviewsdown 5.0 percent−5.0%
19
Version
2.4.1
Manifest V3

History

1 snapshots

Tracking since May 2, 2026.

4.0K4.0K4.0KMay 2, 2026May 31, 2026
View as table
DateUsersRatingReviewsVersion
May 2, 20264.0K4.40202.4.1
Now4.0K4.42192.4.1

Permissions & access

Permissions
None declared
Host access
https://calendar.google.com/*

Screenshots

Merge duplicate Google Calendar events into one rainbow screenshot 1

About

Free Chrome extension to cut the clutter when families or teams use calendar sharing and the same event appears multiple times. Also removes duplicates displayed by being invited at multiple email addresses. 

📅📅 → 📅  merges duplicate Google Calendar events into one rainbow of the individual calendar colors 
🟦  makes weekends great again - with cool blue background colors
🗓  new event box & mini calendar views also get cool blue weekends
🌗  tuned for device Dark mode, Dark Reader compatible
💻  works only in your browser and does not modify events
🚫  doesn't show ads and doesn't send user data anywhere
🌼  open source: https://github.com/coedit/gcal-rainbow-surf


Like it? Please rate it!
Do you have ideas for new calendar enhancements or see an issue? Start a discussion: https://github.com/coedit/gcal-rainbow-surf/discussions/categories/ideas

Passion project – curated by @ezdub – dedicated to @illstylist 
With code by @imightbeAmy @karjna @rubenpoppe @msteffen @TraumaER @ezdub  
art copyright ©2021 @ezdub

Technical

Version
2.4.1
Manifest
V3
Size
1.77MiB
Min Chrome
88
Languages
3
Featured
Yes

Metadata

ID
bdamkdibjdpgnpfpkbelkdngdcbbaeog
Developer ID
u7f752d5c22a0d4abee2083c58c6b73b1
Developer Email
[email protected]
Created
Sep 11, 2021
Last Updated (Store)
Mar 18, 2025
Last Scraped
May 31, 2026
Website
coedit.email

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Data sourced from the Chrome Web Store · last verified May 31, 2026.