4:5 Video Converter — Free Online
4:5 Video Converter is the easiest way to resize videos to 4:5 portrait for Instagram Feed and Facebook. AI keeps subjects centered.
Drop your video here
Supports MP4, MOV, WebM · Max 2GB
4:5 (1080x1350) is the optimal aspect ratio for Instagram Feed posts and Facebook video — it takes up more screen space than square 1:1 and gets higher engagement. Freecropper converts your landscape or other format videos to 4:5 with AI face detection that keeps people centered.
Upload once, export to 4:5, 9:16, 1:1, or 16:9. Supports MP4, MOV, WebM, AVI. Runs entirely in your browser with no file uploads to servers.
4:5 portrait format
Export at 1080x1350, the ratio that takes up maximum screen space in Instagram and Facebook feeds.
Multiple ratios at once
Also export 9:16 for Reels, 1:1 for square, or 16:9 for YouTube — all from one upload.
AI face detection
Subjects stay centered when converting from landscape or other formats to 4:5.
No watermark
Export clean video ready to post. No branding, no logos.
No signup required
Open the page, drop your video, export. No account needed.
Local processing
WebAssembly-powered processing in your browser. Videos never leave your device.
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Frequently Asked Questions
Everything you need to know about Freecropper