AI VideoFor AI agentsMCP · SKILL
Add Sound to Video with AI
Sound effects that match what happens in your video.
Opens Add audio in the studio — add your files there. You’ll sign in first if you’re signed out.
Why DER
Silent clip in, sound out
Made for your clip
The sound is generated for what happens in your video.
Say what you want to hear
Optionally describe the sound — rain, a crowd, a calm score.
Great after image to video
Give a silent clip from a video model its own soundtrack.
What it costs
The studio shows the exact price before you start. Failed runs are refunded.
Examples
Made with Add audio
FAQ
Add audio questions
What video can I use?
An MP4 or WebM clip you made or have the rights to.
What does Add audio cost?
The studio shows the exact price before you start. Failed runs are refunded.
How long are my results kept?
7 days. Keep the ones you want in your Library (up to 200) so they don’t expire.
Add sound to a clip
Add Audio to Video
