Jambofy

by Puffbee21 · Just for Fun

Manifest V3 Free

View in Chrome Web Store Data as of 15 Oct 2026

Improves boring YouTube thumbnails by adding Jambo and other cats.

Users

60K

0 in 30 days

Rating

4.9 / 5

−0.08 in 30 days

Ratings

2,541

+11 in 30 days

Store rank

#2,934

#2,579 among extensions

Version

2.1.1

updated 1 Dec 2025

Users

monthly, 3 years

Latest, 15 Oct 2026: 60,000 usersMove the mouse over the chart for any month

Ratings count

monthly, 3 years

Latest, 15 Oct 2026: 2,541 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 Jambofy

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 jambocustomerservice@gmail.com 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.