Add Audio to Video

Add Music to Any Video.
Free & Online.

Upload your video and add background music, sound effects, or voiceovers with our drag-and-drop timeline. Browse royalty-free tracks or upload your own audio — no software to install.

Drop your video here or click to browse

Supports MP4, MOV, WebM, and more

Three steps. Perfect audio.

1

Upload Your Video

Drag and drop your video file into the editor. Supports MP4, MOV, WebM, and all common formats.

2

Add Audio

Browse royalty-free music by genre or mood, upload your own track, or record a voiceover directly in the editor.

3

Export & Download

Adjust volume levels, trim your audio, and export the final video with your new soundtrack.

Everything you need to add audio to video

Royalty-Free Music Library

Browse thousands of royalty-free tracks from Freesound and Jamendo. Search by keyword, genre, or mood to find the perfect background music for your content.

Volume & Mix Control

Adjust volume levels for each audio track independently. Balance background music with your video's original audio for a professional mix.

Multiple Audio Tracks

Layer music, sound effects, and voiceovers on separate tracks. Drag and position each clip on the timeline for precise timing.

AI Voiceover

Generate natural-sounding voiceovers with AI text-to-speech. Type your script, pick a voice, and add narration to your video instantly.

No Software Needed
Works entirely in your browser
Free Music Library
Royalty-free tracks for any project
No Watermark
Export clean videos, always

Frequently Asked Questions

CueEditio supports all common video formats including MP4, MOV, WebM, AVI, and MKV. For audio, you can add MP3, WAV, OGG, AAC, and more. If your browser can play it, you can use it.

Yes! You can upload your own audio files directly to the editor timeline. You can also browse our royalty-free music library to find tracks that match your content.

Absolutely. You can generate AI voiceovers by typing your script and selecting a voice, or use the AI Director to create narration for your video.

Yes! The timeline supports multiple audio layers. You can have background music, sound effects, and voiceovers playing simultaneously with independent volume control for each.

Yes. You can mute the original video audio from the track controls and add new audio tracks. This lets you completely replace the soundtrack or mix new audio with the original.

Yes. Our library features royalty-free tracks from Freesound and Jamendo that you can use in your projects. No additional licensing fees or attribution required for most tracks.

Add Audio to Video

Add the perfect soundtrack to your video.

Upload your video, add music or voiceovers, and export — all in your browser, completely free.