Need 720p instead of 4K, or a square export for feed posts? Supercut resizes video locally so you control output size without handing files to a server.
Just type
“Downscale to 720p”
Works with
Add your video to the editor. It loads in-browser with no upload.
Say “resize to 1080x1080” or “downscale to 720p.” Supercut scales to your spec.
Preview dimensions and download. Resizing happened entirely on your device.
Supercut decodes, edits and exports your video entirely in your browser with WebAssembly. Your video files never leave your device. To plan the edit, the AI gets your request, the words said in your clip and its sound levels (both worked out on your device), and a few low-resolution frames only if you turn that on. Read more in our Privacy Policy.
Compress video to a smaller file size in your browser. Shrink clips for sharing without uploading them anywhere, your footage stays on your device.
Crop and reframe any video to 9:16 for TikTok, Reels and Shorts. Subject-tracking keeps the action in frame, all in your browser, no upload.
Convert MOV, WebM, or other formats to MP4 in your browser. Universal playback without uploading your source file.
Crop, resize, and compress product videos for Shopify, Amazon, and TikTok Shop, in your browser. Unreleased product footage stays on your device.
Reframe, caption, and batch-process client clips in your browser. No uploading client footage to a third party, and no watermark on any export.
Yes. Ask for platform presets like “resize for Reels” or give exact pixel dimensions.
Upscaling cannot add detail that was not there, but Supercut can scale to required output sizes cleanly.
No. Scaling runs locally in your browser. Your footage never uploads.
Drop a clip and describe the edit, it runs right here in your browser.
Open the editor