Jambofy
Improves boring youtube thumbnails and Jambofys them
Are you bored of every YouTube thumbnail being boring? Do you wish Jambo the cat was in every YouTube thumbnail? Well now you can have exactly that with this extension.
Jambofy - Liven Up Your YouTube Thumbnails
Jambofy is a creative Firefox add-on designed to enhance your YouTube browsing experience by replacing mundane video thumbnails with amusing and engaging images featuring Jambo the cat. Inspired by the original extension for Chrome, this version brings the same lighthearted joy and whimsy to Firefox users, injecting a dose of feline fun into every YouTube page you visit. Perfect for cat lovers or anyone looking to add a little extra cheer to their video streaming routine!
Add-on stats
Weekly download count: 111
Firefox on Android: No
Risk impact: Moderate risk impact 
Risk likelihood:
Manifest version: 3
Host permissions:
- https://www.youtube.com/*
Size: 5.83M
Ranking
Want to check extension ranking and stats more quickly for other Firefox add-ons?
Install
Chrome-Stats extension
to view Firefox-Stats data as you browse the Firefox Browser Add-ons.
Add-on summary
Improves youtube thumbnails significantly
This extension was NOT made by me, this is simply my attempt at making a version of the extension for Firefox
Original extension here: https://chromewebstore.google.com/detail/jambofy/ecbedadooalalcgolmfgpnmphhccegei
User reviews
These summaries are automatically generated weekly using AI based on recent user reviews.
Firefox Browser Add-ons does not verify user reviews, so some user reviews may be inaccurate,
spammy, or outdated. Pros
- Brings joy and humor with funny cat thumbnails
- Improves YouTube experience by changing normal thumbnails to cat-themed ones
- Works reliably and efficiently for most users
- Highly rated by users who would recommend it as a must-have extension
Cons
- High CPU usage, even on powerful PCs
- Incompatibility with the DeArrow extension, requiring it to be disabled for proper functionality
Most mentioned
- Incredible improvement in YouTube thumbnail enjoyment due to cats
- Significant CPU resource consumption reported by some users
- Compatibility issues with the DeArrow extension affecting usage
User reviews
is there any need to explain this purrfection even though its not the original still amazing and thank you
by lane, 2025-01-16
perfection in one extension
by Riger, 2024-12-26
this is so silly and funny and i'm glad its on firefox. thank you for funny cats in every thumbnails everywhere
by treebrother, 2024-11-23
Add-on safety
Risk impact
Jambofy requires a few sensitive permissions. Exercise caution before installing.
Risk likelihood
Jambofy has earned a fairly good reputation and likely can be trusted.
Upgrade to see risk analysis details