Can I keep the video's original sound?
Yes. Mix mode retains the original sound and lets you control both track volumes.
Free online video editor
Merge Video and Audio Online
Add music, narration, or another audio track to a video, with replace and mix controls. Open Reeloft's complete editor, then add your files directly to the timeline.
Free project · no credits charged
- Upload inside the editor
- Saved to My Workspace
- Full timeline and canvas
- AI tools remain available
Edit in one workspace
Upload, arrange, adjust, and render without leaving the editor.
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What happens when the audio is shorter?
You can loop it to the video duration or let Reeloft pad the remainder with silence.