Add Music to Video Online – Easy & Free
Overlay background music or audio on your videos instantly in your browser. MP4, MOV, WebM support – adjust volume, no upload, perfect for social media & edits.
Add Music to Video
Merge your favorite background music with your video clips.
High-quality audio mixing performed entirely in your browser.
1. Select Video
2. Select Music
Upload video • MP4, MOV, WebM & more • Add MP3/WAV/M4A music • Volume control • Up to 500 MB • 100% client-side • Real-time preview
What You Can Do With This Add Music Tool
- Overlay music – add any audio track over your video
- Adjust volumes – balance original sound & added music
- Trim music – match audio length to video automatically
- Real-time preview – hear mixed result instantly
- High-quality output – preserve video resolution & audio clarity
Why Use Waridi Tech Add Music to Video?
- 100% private – videos & music stay on your device
- Fast client-side mixing – no server delays
- Supports MP4, MOV, WebM, AVI, MKV & more
- Add any audio – MP3, WAV, M4A, OGG, AAC
- Independent volume control – fine-tune mix
- Auto music trim – syncs to video length
- Real-time preview – listen before export
- Free forever – no signup, no ads, no watermarks
- Offline capable – install as PWA
Add Music to Video Comparison
| Feature | Waridi Tech | Other Online Tools |
|---|---|---|
| Privacy | 100% client-side | Often uploads files |
| Speed | Instant (browser processing) | Server-dependent delays |
| Cost | Free, unlimited | Free with limits / paid |
| Volume Control | Yes (independent sliders) | Limited or none |
| Offline Support | Yes (PWA) | No |
Frequently Asked Questions
Is this add music to video tool free?
Yes – completely free, no signup, no limits or hidden fees.
What video formats are supported?
MP4, MOV, WebM, AVI, MKV and more.
What audio formats can I add?
MP3, WAV, M4A, OGG, AAC and more.
Is it private and safe?
Yes – 100% client-side. Your videos & music never leave your device.
Can I adjust music volume?
Yes – independent volume sliders for original video audio and added music.
Can I use it offline?
Yes – install as PWA to use without internet after first load.
What is the maximum file size?
Up to 500 MB per video (browser memory dependent). Shorter videos process faster.
Does adding music reduce quality?
No – output keeps original video quality. Music is mixed without re-encoding loss when possible.
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Ready to Add Music to Your Videos?
Fast, private, free – overlay audio easily without uploading. No limits, no watermarks.
Available Worldwide
Works in modern browsers on desktop, tablet and mobile. Updated March 2026.