Resize video for Reels and TikTok
Turn a horizontal video into 9:16 vertical, 1:1 square or 4:5. Crop it or add borders.
Your video stays on your device and is never uploaded.
How it works
Choose your file
Drag and drop a video or pick one from your device.
Pick a setting
Pick a ratio, then choose to crop the picture or add borders around it.
Download
When it's done, your file downloads in one click.
What this tool does
Reels, TikTok and Shorts are made for vertical 9:16 video. Upload a horizontal clip and the app shows it tiny or crops it where you don't want.
Crop fills the screen by cutting from the center. Borders keep the whole picture and fill the empty space with black.
Frequently asked questions
9:16 for Reels, TikTok and Shorts. 4:5 takes the most space in the Instagram feed. 1:1 for square posts.
If the subject is in the center, Crop fills the screen. If the whole picture must show, choose borders.
No. Everything runs in your browser, on your own device. Your file is never sent anywhere.