Resize Video for TikTok
Prepare videos for TikTok with the right aspect ratio in a few clicks. Fast browser-based resizing for vertical content.
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Accepts MP4, MOV, WEBM
Processing runs entirely in your browser. No file is uploaded anywhere.
Show equivalent FFmpeg command
ffmpeg -i input.mp4 -vf scale=1080:1920:force_original_aspect_ratio=increase,crop=1080:1920,setsar=1 -c:v libx264 -preset fast -crf 23 -c:a aac output.mp4
Frequently asked questions
What resolution does this produce?
The output is 1080×1920 pixels (9:16), the standard TikTok vertical format.
What is the difference between crop and contain?
Crop fills the entire frame by trimming the sides or top/bottom. Contain preserves the full video with black bars on the sides.
Will this re-encode my video?
Yes, the video is re-encoded to ensure the correct resolution and aspect ratio.