- Add a thumbnail to run the checks.
Full size
Next stepThumbnail & title previewSee your video in a real-looking feed
Want packaging that earns the click? Titles and thumbnails are part of every edit I deliver.
Start a videoHow to use the thumbnail checker
- Drop your thumbnailThe final 1280×720 image.
- Look at the small versionsThat is how most viewers first see it.
- Fix what failsBigger subject, fewer words, more contrast, nothing under the badge.
Questions
How do I know if my thumbnail is readable?
Shrink it to phone size and blur it slightly. If you can still tell what it is in a second, it works.
Why test in grayscale?
Grayscale shows whether the subject stands out by brightness, not just colour. Strong thumbnails work in both.
Is my thumbnail uploaded?
No. All checks run in your browser.