Change boring font colours in your documents to a rainbow-tastic feast. Rainbow colours are applied on the selected text/paragraphs.
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Listing updated:May 4, 2025
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Overview
Goodbye to boring documents in plain old black fonts … hello to rainbow magic fonts in magical unicorn colours. 

This Google Docs add-on will allow you to change font colours or highlight at a click of a button. Select the text you wish to apply the magic to and rainbow colours will be applied dynamically from beginning to end of the selected text or paragraph.

There is no end the magic you can generate.

Magic Rainbow Unicorns supports different alphabets: 魔幻彩虹獨角獸 and سحر قوس قزح حيدات ... it's for everyone!
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Magic Rainbow Unicorns will ask for the permissions shown below. Learn more
Magic Rainbow Unicorns will need access to your Google account
This will allow Magic Rainbow Unicorns to :
View and manage documents that this application has been installed in
Display and run third-party web content in prompts and sidebars inside Google applications
See your primary Google Account email address
See your personal info, including any personal info you've made publicly available
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Arcas Devlin
June 5, 2026
Seconding Anderson. Console shows error "Google Apps Script: Execution failed. The Rhino runtime is deprecated and no longer supported." Still giving 5 stars because it's been kind to me all these years and I hope it's fixed soon. <3
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Wyatt Smith
April 10, 2026
I am in nothing but tears. This was the best ever extension that has ever graced the internet. I hope whoever made this gets nothing but peace and prosperity in their life.
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Anderson Menezes
June 5, 2026
Today's June 5th, it's not working with Google Docs and Google Slides anymore.
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Cora Kiser
April 29, 2026
This is awesome!! I loved it but it doesn't work on anything but google docs.
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Isaiah Malone
November 16, 2025
Amazing! Wish I knew about this earlier so I could save time. Makes it so easy to create rainbow font. The only issue is that it defaults to a lighter version of the colors I choose.
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Xander Pittman
May 6, 2026
best ever unicorn
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Nova
August 29, 2025
Good, but defaults to a lighter version of the colors I pick. This needs a way to make darker gradients, then it would probably be 5 stars.
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Carrie Xu
November 22, 2025
simply amazing
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Jonathan Dyer
May 27, 2024
It doesn't work. I tried to check my add - ons but there was nothing there, please explain?
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Brooklyn
November 4, 2020
I absolutely loved it. Works on slides and docs (the only one's I've tried). Though one problem is that once you choose like a color, it's custom color so it goes/ adds up to the font color button thing on the top of the page to change the font color. Otherwise, beautiful work it does, really pretty which I love. Colors are vivid, many options. 4 stars.
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