Take your finished content live with Upstream.
Start streaming freeAdd Audio to Video
Add music to a video, or turn an MP3 and a picture into an MP4 for YouTube. Arrange several tracks, repeat the audio, add a title and download the result. Nothing is uploaded.
- No account needed
- No watermark
- MP3 to MP4 with a picture
- Files stay on your device
Turn it into a YouTube station? Upstream plays your audio/video playlists live, 24/7, from the cloud with your computer off.
Start a station for freeHow to add audio to a video
- 1
Choose a background
Add a picture, GIF or video, or choose a scene or satin background. Set the shape and check the crop.
- 2
Add your audio
Add songs or recordings and arrange them in order. These tracks replace the video's original sound. Set the length or repeat count.
- 3
Preview and download
Check the picture and sound, add a title if needed, then export an MP4. Choose Audio only to save a loop without video.
Make a music video or an audio loop
MP3 to MP4 with a picture
Add your song and cover art to make a video for YouTube. YouTube does not accept an MP3 as a video upload; renaming the file is not enough.
Replace a video's soundtrack
Add footage and the song you want to hear. The original video sound is left out. A short background repeats for the length of your audio.
Make a 1 hour version
Add a song, choose 1 hour in Length, and use a still picture or Audio only. Several songs repeat as one playlist, in the order shown.
Before you export
Check the picture
Fit keeps the whole image visible; Fill crops it to cover the frame. Use 16:9 for landscape, 9:16 for portrait or 1:1 for a square video.
Choose the right length
Still pictures with fixed text and audio only exports can run up to 3 hours. Moving backgrounds or changing song titles need frame rendering, limited to 15 minutes.
Listen to the join
A loop repeats the silence or fade already in your song. Check where the ending meets the beginning. This tool does not remove gaps or add crossfades.
Set the title
In Text, write a fixed title or choose Song file name to show the current track. Check the file names before exporting a playlist.
Other ways to add music
On a video already on YouTube
Open the video in YouTube Studio, choose Editor, then Audio. YouTube's audio editor lets you place music from its Audio Library in the video.
For speech with background music
Use a timeline editor when you need to keep dialogue, lower the music or line up a sound with a cut. iMovie can add audio files on iPhone and iPad.
Keep the playlist live 24/7
Upstream streams your audio and video playlists from the cloud, with your computer off. The playlists loop separately, so a short background can accompany a growing music library. Start with 24 free streaming hours a month, or read how to run a YouTube station.
FAQ
Add Audio to Video FAQ
Files, length, looping and privacy.
More free tools for music channels
All free tools- Audio Visualizer Add bars, a wave or a circle to a song or a video that already has sound.
- Loop Video Repeat a clip several times to create a longer asset for live playback or scheduled scenes.
- MP3 Tag Editor Edit titles, artists, album art and other MP3 tags in bulk.
- Audio Converter Convert audio to MP3, WAV, M4A, OGG or FLAC without uploading it.
- MP3 Normalizer Match perceived loudness so your audio feels more even and easier to publish.
- Extract Audio from Video Save the audio track of any video, in its original quality or as MP3, WAV or M4A.
- Remove Audio from Video Strip the audio track out of a video to create a clean silent asset for live production.
- Video Compressor Reduce file size while keeping your video ready for streaming, sharing, and scheduling.
From quick prep to full streaming workflows
These free utilities cover the small jobs around content creation. For continuous channels and team production, Upstream also supports 24/7 live streaming, pre-recorded live streams, multistreaming, and Live Studio broadcasts.
Run a 24/7 live stream from your videos.
Upload once, build a playlist, and let Upstream run continuous live playout without OBS, a VPS, or an always-on computer.
Explore 24/7 streaming
Schedule finished videos as live events.
Turn recordings into scheduled live streams, premieres, loops, and recurring broadcasts from the same cloud workflow.
Explore pre-recorded streaming
Send one feed to every platform that matters.
Go live to YouTube, Twitch, Kick, Facebook, Rumble, and custom RTMP without making your upload connection carry every copy.
Explore multistreaming
Produce browser-based live shows with guests.
Invite speakers, share screens, manage scenes, and add branded overlays for podcasts, webinars, interviews, and launches.
Explore Live Studio
