YouTube Thumbnail Previewer
Social Media ToolsPreview your YouTube thumbnail in different placements.
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About YouTube Thumbnail Previewer
Preview your YouTube thumbnail in multiple placements — search results, home feed, sidebar, and mobile. Detect safe zones and check text readability.
Frequently Asked Questions
YouTube recommends 1280×720 pixels (16:9 aspect ratio) for thumbnails. Minimum width is 640 pixels. Maximum file size is 2 MB.
Safe zones are the areas of the thumbnail that will be visible in all placements without being covered by overlays like duration badges or channel icons.