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Change Video Speed

Files are never uploaded to a server. Click to see how it works.

Change an MP4 or MOV video's playback speed online and export a new MP4 with adjusted timing rather than relying on a player setting.

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Supports direct MP4, MOV, or WebM URLs that allow cross-origin downloads. Processing remains local after download; the source host receives the download request.
Related tasks

These tools work with the same files or solve a common next step. Choose the result you actually need.

Extract Audio from Video

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Take the main audio track from an MP4 or MOV and save it as M4A, copying compatible audio without re-encoding.

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Mute Video

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Remove audio tracks from an MP4 or MOV and keep compatible video data unchanged in a new MP4.

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Convert MP4 to MP3

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Decode the main audio track from an MP4 or MOV and encode a standard MP3 file for listening or sharing.

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Trim Video

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Choose a start and end time, preview the actual keyframe-safe interval, and save a trimmed MP4 without re-encoding compatible tracks.

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