Prep Bull Testimonial Studio
Prep Bull Tools

Testimonial Studio

Drop student voice notes, get Student Stories videos ready for Reels, Stories and TikTok.

1 · Add audio
Drop voice notes or a .zip here MP3, M4A, AAC, OGG, OPUS, WAV, FLAC, WhatsApp notes · names are read from the file name
2 · Video settings
2160×3840 · sharpest, slowest to render
Advanced: colours, logo and labels
Current logo
PNG with a transparent background works best. It's fitted inside the square tile.
3 · Queue
No audio yet. The preview shows a sample until you add some.

Everything runs in your browser. Audio never leaves this device. Keep this tab in front while videos render; 4K takes longer than 1080p.