Animated captions for your shorts.
No upload. No subscription.

Drop a vertical video. Whisper transcribes it on your GPU, you pick a style, and the MP4 is rendered right here in the browser. The file never leaves your device.

or try the demo clip (11 s, public-domain speech)

• 0 € — replaces a $16–39/mo caption subscription
• Private — transcription and rendering happen locally
• Real MP4 — H.264 + AAC, ready for TikTok, Reels, Shorts