Short-Video Resizer & Cropper – Fast MP4 for Reels & Shorts Resize, crop, trim, and export platform-perfect MP4 videos for Instagram Reels, YouTube Shorts, TikTok, and Facebook—directly in your browser. Choose 9:16, 4:5, 1:1, or 16:9, auto-center or pan/zoom, trim to the best moment, and export a ready-to-upload file. Resize, crop, trim, and export MP4 for all major short-video platforms—right in your browser. What is the Short-Video Resizer & Cropper and who is it for? The Short-Video Resizer & Cropper is a free, browser-based utility that converts any horizontal or vertical clip into the exact aspect ratio and resolution required by today’s short-form platforms. With a few clicks, you can upload a video, pick a preset— 9:16 (Reels/Shorts/TikTok), 4:5 (Instagram feed), 1:1 (square), or 16:9 (landscape)—and the tool will automatically frame your content. Prefer creative control? Switch to manu...