Free video reframe tool. Convert landscape to portrait in your browser.

Cutsio free video reframe tool converts landscape 16:9 video to vertical 9:16 format for YouTube Shorts, Instagram Reels, TikTok, and other social platforms. Drop a video, choose an aspect ratio — 9:16, 1:1, 4:5, or 2:3 — drag the crop window, and download a clean MP4. All processing happens in your browser using hardware acceleration. Nothing is uploaded. No account, no watermark, no file size limit. Also supports reframing to square 1:1 for Instagram, 4:5 for Instagram portrait, and 2:3 for Pinterest.