Ship vertical TikToks faster without installing an app or uploading drafts to a cloud editor. Supercut reframes, captions, and exports locally.
Just type
“Optimize this for TikTok with captions”
Works with
Load horizontal or square footage, it stays on your device.
Say “crop 9:16 for TikTok” and “add bold captions.” Supercut handles reframe and subtitles locally.
Download a vertical, captioned cut ready to upload to TikTok from your phone or desktop.
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.
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.
Add auto-captions to any video in your browser. On-device transcription with viral caption styles, no upload, your footage and audio stay private.
Edit Reels in your browser, 9:16 reframe, captions, trims. No upload to Instagram or a cloud editor; footage stays on your device.
Reframe to 9:16, add viral captions, trim hooks, and export TikTok-ready clips in your browser. No upload before you post.
Reframe, caption, and batch-process client clips in your browser. No uploading client footage to a third party, and no watermark on any export.
1080×1920 (9:16 vertical) is standard. Supercut reframes to that aspect automatically.
Yes. Smart reframe keeps subjects centered while converting to vertical.
No. Editing runs in your browser and your video files never leave your device. The AI that plans the edit 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.
Drop a clip and describe the edit, it runs right here in your browser.
Open the editor