Resize Video for TikTok

Prepare videos for TikTok with the right aspect ratio in a few clicks. Fast browser-based resizing for vertical content.

Drop your file here or click to browse

Accepts MP4, MOV, WEBM

Settings

Fit mode

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.