Free Video Resizer & Cropper

Export an H.264 MP4 in 9:16, 16:9, 1:1 or another shape. Crop to fill the frame or keep the whole video with bars. Free, browser-based, no watermark.

Fix the frame for the channel without losing the business moment inside the clip.

Choose a video

Or drag and drop a file here

Up to 512 MB

How to use it

1

Upload your video

Select the video you want to resize for Shorts, Reels, TikTok, Instagram, or another social platform.

2

Choose aspect ratio

Pick 9:16 for vertical videos, 16:9 for widescreen, 1:1 for square, or 4:5 for feed posts.

3

Download resized video

Export the new version and upload it where you need it.

What you get

Social Media Presets

Use ready-made sizes for YouTube Shorts, TikTok, Instagram Reels, square posts, and widescreen videos.

Crop or Fit

Fill the frame with Cover mode, or keep the whole video visible with Contain mode.

Private Browser Processing

The resize runs in your browser. Your video stays on your device.

No Watermark

Download the resized video without adding a BlitzReels watermark.

Questions