Is my video uploaded anywhere?

No — thumbnail generator runs entirely in your browser using the Canvas and MediaRecorder APIs. Your file never leaves your device.

What output format do I get?

Chrome and Edge export WebM; Safari exports MP4. For a specific format, re-encode with a desktop editor if needed.

Videos up to 500 MB are supported directly in the browser. Larger files may be slow depending on your device's memory.

No installation needed — everything runs in this page using your browser's built-in video APIs.

Capture a frame from any video to use as a thumbnail image.

Your video never leaves your browser. All processing runs locally using Canvas and MediaRecorder.

Drop a video to capture a thumbnail

or click to browse — max 500 MB · MP4, WebM, MOV, AVI

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