Thumbnail Extractor

Pull poster frames and contact sheets from video files

Thumbnail extraction needs browser video decoding through WebCodecs. Try a Chromium-based browser if this tool cannot decode your file.

Source and frame

Processed locally. Max 512 MB.

Drag & drop files here, or click to select

Single file, max 512 MB each

Timestamp0s / 0s

Output width

Aspect crop

Image format

Live preview

Decode a fresh frame after slider scrubs settle.

Contact sheet

Generate evenly spaced frames instead of one thumbnail.

Your extracted image will appear here

No frame extracted yet

Choose a timestamp, then let MediaBunny decode the nearest frame without uploading your video anywhere.