Jambofy

Improves boring YouTube thumbnails by adding Jambo and other cats.

As of June 2026, Jambofy has 60,000 users and a 4.94/5 rating from 2,412 reviews in the fun category.

Usersup 20.0 percent+20.0%
60.0K
60,000
Ratingno change0%
4.94
2.4K reviews
Reviewsup 2.2 percent+2.2%
2.4K
Version
2.1.1
Manifest V3
90-day change · In the last 90 days this extension gained 10.0K users.

History

6 snapshots

Tracking since Apr 18, 2026.

60.8K55.0K49.2KApr 18, 2026Jun 2, 2026
View as table
DateUsersRatingReviewsVersion
Apr 18, 202650.0K4.942.4K2.1.1
Apr 27, 202650.0K4.942.4K2.1.1
May 7, 202650.0K4.942.4K2.1.1
May 14, 202650.0K4.942.4K2.1.1
May 23, 202650.0K4.942.4K2.1.1
Jun 2, 202650.0K4.942.4K2.1.1
Now60.0K4.942.4K2.1.1

Permissions & access

Permissions
storage
Host access
https://www.youtube.com/*

Screenshots

Jambofy screenshot 1Jambofy screenshot 2Jambofy screenshot 3Jambofy screenshot 4Jambofy screenshot 5Jambofy screenshot 6

About

Do you think every YouTube thumbnail is boring? Do you wish there were cute cats like Jambo in every YouTube thumbnail? Well, now you can have exactly that with this extension.

Source code for extension: https://github.com/LiamHarrison25/Jambofy-Extension

Questions or suggestions? Email [email protected]

Most of the images in this extension are originally from Jschlatt’s social media accounts. However, some images are from other creators. Those creators are listed below:
- @BlubberBoat‬ (YouTube)
- @FatherFaxMannington‬ (YouTube)
- @rocketjump (YouTube)
- @RuinedCoin (Twitter)
- @SunnyIsOnline (YouTube)
- @thetuckerkeane (Instagram)
- @Wheatskins_ (Twitter)
- u/notsalfisher (Reddit)

Notes:
- This extension was inspired by YouTube MrBeastify: https://chromewebstore.google.com/detail/youtube-mrbeastify/dbmaeobgdodeimjdjnkipbfhgeldnmeb 
- This extension is unofficial and not affiliated with Jschlatt or YouTube.

Technical

Version
2.1.1
Manifest
V3
Size
88.08MiB
Min Chrome
88
Languages
1
Featured
No

Metadata

ID
ecbedadooalalcgolmfgpnmphhccegei
Developer ID
u6fe82afb78a4e1b81fc241f4becb23b1
Developer Email
[email protected]
Created
Nov 15, 2023
Last Updated (Store)
Dec 1, 2025
Last Scraped
Jun 2, 2026
Website
Support URL
Privacy Policy

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Data sourced from the Chrome Web Store · last verified Jun 2, 2026.