Video Storyboard Generator Online — Free Filmstrip & Contact Sheet Maker | Online Gallery
Generate visual storyboard thumbnail strips from video files. Generate video storyboards, thumbnail contact sheets, and filmstrips across customizable time intervals with single-click export.
What is Video Filmstrip and what does it do?
The Video Storyboard Viewer generates visual filmstrip thumbnail grids across regular intervals from video files.
- Extract 8, 12, 16, or 24 storyboard thumbnails.
- Show exact timestamps per keyframe.
- Download a merged contact sheet JPG.
How does Video Filmstrip work?
Seeks through video time coordinates and captures snapshots into a tiled contact sheet Canvas.
100% private: all processing happens locally in your browser using client-side WebAssembly, WebCrypto, WebAudio, and HTML5 Canvas. Your files are never uploaded to any server.
Who needs Video Filmstrip?
Filmmakers & Content Creators
Create video overviews, scene breakdowns, and proof-of-work contact sheets.
Supported file formats
Video Storyboard & Frame Strip Viewer opens and processes the following file extensions directly in your browser:
.mp4.webm.mov.m4vHow to use Video Filmstrip — step by step
- 1
Select Video
Open any MP4, WebM, or MOV video file.
- 2
Choose Frame Count
Select 8, 12, 16, or 24 storyboard thumbnail intervals.
- 3
Export Contact Sheet
Download all frames merged into a single high-resolution contact sheet image.
Frequently asked questions
Does it work with long videos?
Yes, it seeks frames evenly across the entire video duration.
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