ONLINE · FREE · PRIVATE
Add music to video
Add background music to your videos with full volume control. Upload your video and audio file, adjust the mix, and download your enhanced video.
Drag and drop video file to start
More video tools
Extremely simple and efficient video tools so you can get your work done.
Compress
10x smaller videos
Speed
Speed up and slow down your video
Get Audio
Get an MP3 or AAC audio from any video
Trim
Cut start and end of your video
Crop
Fit social media, cut out unwanted parts
Loop
Loop your video up to 10 times
Mute
Remove audio from your video
Resize
Resize your video
Boost
Make video louder
Overlay
Add image or text watermarks
Add Soundtrack
Add background music to your video
Merge
Combine multiple videos into one
Professional audio mixing made simple
Whether you need background music for social media, presentations, or creative projects, this tool lets you blend audio tracks perfectly with your video content.
Full volume control
Adjust both the soundtrack volume and original audio levels independently. Create the perfect audio balance for your video.
High-quality audio mixing
Professional-grade audio mixing ensures your soundtrack blends seamlessly with your video's original audio without quality loss.
Privacy-focused processing
Your files are processed entirely in your browser. No uploads to our servers, keeping your content completely private and secure.
How to add a soundtrack to your video
Step 1: Upload your video file (MP4, MOV, AVI, and more supported).
Step 2: Upload your audio or video file for the soundtrack (MP3, WAV, MP4, MOV, etc.).
Step 3: Adjust the volume levels for both the soundtrack and original audio.
Step 4: Click "Add Soundtrack" to process your video with the new audio mix.
Step 5: Preview your video and download when satisfied with the result.
Frequently asked questions
Is this soundtrack tool free to use?
Yes, completely free with no signup required. Just upload your files and start mixing audio with your video.
What audio formats can I use for soundtracks?
We support most common audio formats including MP3, WAV, AAC, M4A, and more. You can also use video files (MP4, MOV, AVI, etc.) as soundtrack sources - we'll automatically extract the audio.
Can I control the volume of both audio tracks?
Absolutely! You can independently adjust the volume of your soundtrack and the original video audio to create the perfect mix.
Will the video quality be affected?
No, we preserve your original video quality while only processing the audio. Your video resolution and clarity remain unchanged.
What happens to my files after processing?
Nothing. Your files are processed entirely in your browser and never uploaded to our servers. We have no access to your content.
Can I add multiple soundtracks?
This tool currently supports adding one soundtrack at a time. For more complex audio editing, consider our other audio tools or desktop software.