We make YouTube easy
smallyt is a set of small, focused tools for people who make and study YouTube videos: save any thumbnail, check yours before publishing, resize to YouTube’s specs, and see what works on any channel or keyword.
One job per tool
Each tool does one thing on one page — paste, choose, done.
12 languages
Every tool and guide is available in 12 languages, from Korean to Portuguese.
Private by design
Images you open are processed in your browser and never uploaded.
Built on feedback
Every rating and message is read and turned into the next improvement.
Thumbnail Downloader
Save any YouTube thumbnail in HD — one click, every size.
Thumbnail Preview
See how your thumbnail looks on YouTube before you publish.
Thumbnail Resizer
Resize any image for YouTube: thumbnail, Shorts cover, banner, profile.
Channel Thumbnails
See every thumbnail of a channel and spot its outliers.
Keyword Top Thumbnails
See the thumbnails that rank for any keyword, in any country.
Similar Channels
Find the channels YouTube recommends next to yours.
Contact
Questions, ideas or press: , or use the contact form.hello@smallyt.com
Operator
smallyt is operated by Tomato House (토마토하우스), Seoul, Republic of Korea · Business registration no. 560-17-02847.
smallyt is an independent project and is not affiliated with, sponsored by or endorsed by YouTube or Google. “YouTube” is a trademark of Google LLC. Thumbnails belong to their respective creators.