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Video Thumbnail Maker

Create a video thumbnail online for free

Choose a frame from MP4, MOV, WebM, or M4V and create a JPG or PNG cover in four supported aspect ratios.

Choose any video frameFour cover aspect ratiosJPG or PNG outputLocal browser processing

Choose Video

or

Drag and drop a video here, or click to choose a file

Supports browser-playable MP4, WebM, and M4V videos. Some MOV videos may also work.

Videos are processed locally in your browser and are not uploaded to the server

Improve video presentation

Generate a clear thumbnail for previews and lists.

Choose thumbnail ratio

Use original, landscape, square, or vertical ratio.

Use cover images anywhere

Save a JPG or PNG cover for upload and sharing.

Ready for preview

Prepare a clear image for video display.

How to Use Video Tool

  1. 1、Upload video

    Choose the video for thumbnail creation.

  2. 2、Set cover ratio

    Choose image format and ratio.

  3. 3、Download thumbnail

    Save the generated image.

Why Use Video Tool

Video needs a cover

Make content easier to recognize.

Platform display needs

Match thumbnail ratio requirements.

Improve previews

Use a clear frame to introduce content.

Reuse visual assets

Edit and store thumbnail images.

Use Cases

Short video cover

Prepare thumbnails for social videos.

Course preview

Create course video cover images.

Website cover

Use images for video cards.

Asset archive

Save preview images from videos.

Tips

  • Choose a clear frame with a visible subject.
  • Different platforms may need different ratios.
  • PNG suits graphics while JPG suits photos.
  • Check subject position after download.
Processing is completed locally, and files are not uploaded to the server

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Frequently Asked Questions FAQ

Video Thumbnail Maker is used to create thumbnail images from video and create JPG or PNG thumbnail images. It is useful for video publishing, course covers, content previews, and asset organization, and results depend on the source video, browser support, and page settings.

Upload your video, adjust the options shown on the page, and start processing. When it finishes, preview the result and download the generated JPG or PNG thumbnail images. Review thumbnail subject, ratio, and image format before using it as your final file.

The thumbnail maker creates an image from a chosen video frame and can use ratio or format settings. A clear thumbnail works better for lists, courses, product previews, and publishing. Review thumbnail subject, ratio, and image format before using it as your final file.

Thumbnail creation runs locally in the browser, and your video is not uploaded to the server. Preview the thumbnail before downloading to make sure faces, text, and subjects are not cut off. Review thumbnail subject, ratio, and image format before using it as your final file.

This tool supports common browser-readable video files and can export JPG or PNG thumbnails depending on the page options, which helps fit different publishing platforms. Review thumbnail subject, ratio, and image format before using it as your final file.

The output is a thumbnail image for video publishing, course material, product display, or content preview. Image size and ratio follow the current settings. Review thumbnail subject, ratio, and image format before using it as your final file.

Video Thumbnail Maker - Free Online Video Tool | FastToolAI