Does my video get uploaded?

No. Everything happens in your browser via FFmpeg WebAssembly — the file never leaves your device.

How long can the video be?

The tool works best on clips under 3-4 minutes. Longer videos still work but will use more RAM and take longer to encode.

9:16 (Reels / Shorts / TikTok), 4:5 (Instagram feed), and 1:1 (square).

Yes — the tool auto-fits any source. Portrait sources get a subtle blurred backdrop as well.

Video Tools

Turn any landscape or square clip into a 9:16 Reel / Short / TikTok with a blurred backdrop — no upload, no signup.

Drop a landscape video to convert

MP4, WebM, MOV — perfect for repurposing YouTube clips to Reels / Shorts / TikTok

Choose video

Nothing uploaded · runs locally in your browser

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