Aspect Ratio Converter For Video
Convert video aspect ratio for YouTube, TikTok, Instagram, and more in your browser.
Click or drop files to upload
Conversion Settings
Aspect Ratio
(Choose One)Change aspect ratio using crop, letterbox, or blurred fill methods.
Please add a file to convert before selecting options
Choose the right aspect ratio per platform
Aspect ratio changes help your video display correctly across wide, square, and vertical layouts without awkward black bars or clipping.
- Use 16:9 for YouTube and desktop-first playback.
- Use 9:16 for TikTok, Shorts, and Reels.
- Use 1:1 for square feed posts where vertical space is limited.
Good To Know
- These tools improve and reformat the video data you already have, but they cannot invent missing real detail that was never captured in the original file.
- Frame-rate changes (for example 30fps to 60fps) can make motion smoother, but on low-motion scenes the output may still look very similar.
- Final results depend on source quality, scene motion, and playback screen size, so short test clips are the best way to pick perfect settings.