Title & thumbnail preview
See your video next to others on the home feed, in search and on a phone. Long titles get cut exactly where the layout cuts them.
Thumbnail Example thumbnail
The other cards are made-up examples so you can judge contrast and readability in context.
Next stepChapter formatterChapters YouTube accepts, ready to paste
Want packaging that earns the click? Titles and thumbnails are part of every edit I deliver.
Start a videoHow to use the thumbnail & title preview
- Upload your thumbnail16:9 JPG or PNG. It stays on your device.
- Type the title and channelWatch where the title gets cut on each surface.
- Compare in contextSwitch home, search and mobile, and shuffle the position.
Questions
What size should a YouTube thumbnail be?
1280×720 pixels (16:9), JPG or PNG, under 2 MB.
How long can a YouTube title be?
Up to 100 characters, but feeds usually show about 50–70. Put the important words first.
Is my thumbnail uploaded?
No. The preview is drawn in your browser.
Can I test it on the real YouTube?
Yes, with the free Thumbnail Check extension for Chrome.