ABR Streaming

Thumbnail Generator

Extract frames at intervals, build a sprite sheet, and export a WebVTT thumbnail track for scrub-bar previews.

Source
Upload a video file or load a progressive (MP4/WebM) URL.

Drop a video here or click to browse

MP4, WebM, MOV…

Options
12
160px
0.70
Will sample 0 frames

No video loaded

Upload a video file or load a progressive MP4/WebM URL to extract frames, build a sprite sheet, and export a WebVTT thumbnail track for scrub-bar previews.