VellmFree video tools
Small tools for short-form video that run entirely in your browser. Your files stay on your device: there is no upload, no sign-up and no watermark.
Processed on your device · nothing uploaded
Extract audio from video
Save the sound of an MP4, MOV or WebM video as M4A (original quality, no re-encoding) or MP3.
- MP4, MOV, WebM
- M4A or MP3
- Works on iPhone
TikTok safe zone checker
Preview a video or image under TikTok, Reels, Story and Shorts overlays, with size and fps checks and a PNG export.
- 5 platform overlays
- Size & fps checks
- PNG export