hsb.horse
Video Sprite Sheet Generator
Free online tool to generate sprite sheets (thumbnail grids) from video files in your browser. No installation or upload required — your videos never leave your device.
Load a local video file to automatically generate thumbnail previews. Hover over the scrub bar to preview frames at any point. Export all thumbnails as a single sprite sheet image.
1. Select Video
2. Preview & Controls
Generating previews... 0%
0:00
0:00 / 0:00
No video loaded
3. Export
How to Use
- 1
Select a video file
Click "Select Video File" and choose a local video file (MP4, WebM, MOV, etc.).
- 2
Preview the thumbnails
Once the video loads, thumbnails are generated automatically. Hover over the scrub bar to see a preview of the frame at that position.
- 3
Export the sprite sheet
Click "Download Sprite Sheet" to save a JPEG image containing 144 frames arranged in a 12×12 grid.
Frequently Asked Questions
- Are my videos uploaded to a server?
- No. All processing happens entirely in your browser. Your video data is never sent to any server, ensuring complete privacy.
- What video formats are supported?
- All video formats supported by your browser are compatible, including MP4, WebM, MOV, and OGG. Supported formats may vary depending on your browser.
- Does it work on mobile devices?
- Yes. The tool features a responsive design and works on smartphones and tablets through the browser.
- What is a sprite sheet?
- A sprite sheet is a single image that combines multiple thumbnails into a grid. It is widely used for video player preview features and game animation. This tool arranges 144 frames in a 12×12 grid.