Teams using Vidsembly
AI Soundtrack
Generate fitting background music for your videos.
Upload a video, pick a mood, and generate an original instrumental soundtrack fitted to your clip length. Preview the mix, adjust the music volume, then export the video with music or download the track alone.
No card required · 30 free credits · Explore demo projects
Free try
Add a soundtrack to your video
3 free generations per day · No account required · Up to 30s · Watermarked MP4 export · Video stays on your device
Drop your video to try free
MP4, MOV, or WebM · Up to 30s · 100 MB
or
Use AI Soundtrack in Vidsembly
Longer clips, custom prompts, and saved projects.
How it works
From upload to export in three steps
Click a step to view it larger
Sound previews
Choose your sound
Hear an example of each preset mood. AI Soundtrack generates a new instrumental track and fits it to the exact length of your video.
Samples demonstrate each mood. Every generated soundtrack is original and may vary.
Watch the full walkthrough
Watch how AI Soundtrack works in Vidsembly.
What you get
Plan features for AI Soundtrack: same Free, Pro, and Elite unlocks you see in the app.
Plans
See PlansFree
- 30 free credits for early signups, then 20
- Tracks / videos up to 30 seconds
- Six mood presets + custom prompts
- Watermarked video exports
🚀Pro
- 300 credits/month
- Tracks / videos up to 3 minutes
- No video watermark
- Download MP3 track alone
👑Elite
- 1200 credits/month
- Tracks / videos up to 10 minutes
- Everything in Pro
- Priority render speed (coming soon)
Related guides
Best AI tools for video background music (2026)
Buyer’s guide: length-fitted soundtracks vs stock libraries vs song generators.
Add AI background music without manual editing
Upload a clip, pick a mood, preview the mix, and export. No audio editor required.
How to generate a soundtrack that matches your video length
Skip trimming and looping — generate instrumental music fitted to your clip duration.
Frequently asked questions
Who should use this tool?
Anyone who wants original background music without audio editing, including creators making social clips, product videos, explainers, school projects, and marketing content.
What video formats are supported?
AI Soundtrack accepts MP4, MOV, WebM, and M4V videos up to 500 MB.
How long can my video be?
The Free plan supports videos up to 30 seconds, Pro supports up to 3 minutes, and Elite supports up to 10 minutes.
What music styles can I generate?
Choose Cinematic, Corporate, Upbeat, Ambient, Lo-fi, or Dramatic, or use a custom prompt to describe the instrumental background music you want.
When are credits used?
Generating or regenerating a soundtrack uses one credit per minute of video, with a minimum of one credit. Adjusting the mix volume does not generate another track.
What can I download?
You can export the video with the soundtrack mixed in. Pro and Elite plans can also download the generated MP3 track by itself.
Try AI Soundtrack in Vidsembly
No card required · 30 free credits · Explore demo projects in the app.