Smartly Crop & Auto-Reframe Videos for Every Platform
FabCloud
AI Smart Crop
Auto Reframe
7 Aspect Ratios
Change the aspect ratio of any video in one click — 9:16, 1:1, 4:3, and more. Our AI auto-detects the subject and reframes every frame in the cloud — no manual tweaks, no GPU, no editing skills needed.
Last update: 2026-09-24
Video Reframer AI – FabCloud is now live! New launch 30% OFF — limited time.
Learn more>AI Subject Tracking — Smart Auto Crop & Reframe Videos
Traditional cropping is a manual slog — adjust the frame, set keyframes, track the subject shot by shot. Video Reframer AI eliminates all of that. Our AI analyzes every frame, identifies the primary subject, and keeps them centered as it reframes to your chosen ratio.
- 🎯 Smart Subject Detection — AI auto-identifies people, faces, and key action — frame by frame, no manual selection.
- 🎬 Frame-by-Frame Precision — 98%+ tracking accuracy when changing video aspect ratio — even through fast motion and scene cuts.
- ⚡ Zero Keyframing — No keyframes, no parameter tweaks, no timeline — upload, pick a ratio, done.
Free trial with no watermarks or compression.
Change Video Aspect Ratio for Every Platform in One Click
TikTok video size is 9:16, YouTube wants 16:9, Instagram runs 1:1 or 4:5. Resize video for any platform in seconds — pick a ratio from the dropdown.
📱 9:16 Portrait — TikTok video size, Instagram Reels & YouTube Shorts. Full mobile screen coverage.
🖥️ 16:9 Landscape — YouTube video resizer ratio for desktop & broadcast. Universal standard.
◼ 1:1 & 4:5 — Resize video for Instagram Feed & Portrait. High-engagement formats.
🎬 Apply to All — Batch crop video at the same ratio in a single pass.
Free trial with no watermarks or compression.
Cloud-Based Video Resizer — Zero GPU, No Limits
Resizing and cropping video is compute-intensive work. On a local machine it means long renders. With Video Reframer AI, the entire video resizer pipeline runs on FabCloud — instantly, without touching your hardware.
☁️ No Local GPU Needed — Works on any Windows PC — even entry-level laptops can run a full AI aspect ratio changer workflow in the cloud.
🖥️ Low System Requirements — Resize video on any Windows desktop — no powerful hardware, all done in the cloud.
📦 Batch Processing — Submit multiple clips with "Apply to All" — batch resize video, no queue management.
Free trial with no watermarks or compression.
How to Change the Aspect Ratio of a Video
Auto Reframe Video for Any Platform, Instantly
Seven aspect ratios from one source. Crop, resize and convert video for every major platform — no re-editing, no wrong size.
16:9
1:1
4:5
4:3
3:4
21:9
Trusted by
"Hands-down the easiest way to repurpose one shoot for TikTok, Reels, and YouTube. The AI keeps the subject centered every time and we re-edit nothing. A real time-saver for our content team."
"What sets UniFab Video Reframer AI apart is the cloud pipeline. No GPU stress on the local machine, and the subject tracking holds up cleanly through fast cuts. Output quality matches the source file."
"An impressive 'set-it-and-forget-it' tool. The Apply to All option reframes a whole batch of clips to 9:16 or 1:1 in one pass, freeing editors from manual cropping work entirely."
"UniFab Video Reframer AI quietly solves a real short-form problem: a 16:9 source that fits nowhere else. Drop it in, pick a ratio, and the AI rebuilds the framing in the cloud."
"Surprisingly simple — upload, pick one of seven aspect ratios, and let the AI handle the rest. No keyframing, no timeline. A clean answer to 'how to crop a video for any platform.'"
"Used to manually reframe every interview clip for Shorts. Now I drop the file into UniFab Video Reframer AI, pick 9:16, and the subject stays locked the entire cut. Zero re-takes, zero render queue."
FAQs about Video Reframer AI
Learn more through our YouTube channel, guidebook, or community discussion.
Video Reframer AI offers a free trial with limited FabCloud credits — enough to test the full workflow with no watermarks and no compression. A license purchase gives you a credits allocation for ongoing use.
Seven aspect ratios are supported: 16:9 (YouTube / Desktop), 9:16 (TikTok / Reels / Shorts), 4:3 (Broadcast / Presentation), 3:4 (Portrait Display), 1:1 (Instagram Feed), 4:5 (Instagram Portrait), and 21:9 (Cinematic / Ultra-wide). The default is 16:9.
Video Reframer AI - FabCloud is currently available for Windows only. Mac support is not available at this time. Stay tuned for updates.
Video Reframer AI supports common video input formats including MP4, MOV, AVI, MKV, WMV, and FLV. The output is delivered in the same quality as the source — no compression is applied.
The AI analyzes each frame individually, identifying the primary subject using object detection and motion tracking. It then determines the optimal crop region that keeps the subject centered throughout the video — automatically adjusting as the subject moves.
Video Reframer AI - FabCloud
Batch reframe videos for TikTok, YouTube, Instagram, and more. No GPU required, all cloud.
- AI Smart Crop
- Auto Reframe
- Cloud Processing