How do I pick the thumbnail frame?
Scrub through your video and capture the exact frame you want, then export it as a sharp preview image.
Generate multiple thumbnail sizes
Generate video thumbnails from any frame. Extract a sharp preview image for YouTube, courses, blogs, or social posts.
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Generate video thumbnails from any frame. Extract a sharp preview image for YouTube, courses, blogs, or social posts.
Last updated: Jun 21, 2026
Scrub through your video and capture the exact frame you want, then export it as a sharp preview image.
Frames are exported at the video’s resolution so they stay crisp for YouTube, blogs, or social posts; resize afterward if needed.
Thumbnail capture is designed to be fast and privacy-friendly, focused on grabbing the frame you select.
Video Thumbnail Generator includes free usage on WebioTools. Limits may apply for high-volume usage depending on your plan.
WebioTools is privacy-first. Many operations run in-browser, and data handling follows the site's privacy policy.