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Audio/Video Converters
Add music to video online with copyright-free background music. Upload your clip, choose a popular track or your own MP3, then preview and download MP4 — free, instant, no watermark.
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Overview
Add Music to Video mixes copyright-free background music with your clip’s original sound — pick a popular Pixabay track, browse Mixkit, or upload your own MP3, then balance both volumes. FrontendGeek mixes video and audio online, then lets you preview and download a clean MP4. Browse more free tracks with Download Copyright Free Music, grab source footage via YouTube Video Downloader or YouTube to MP4 Converter, extract audio with YouTube to MP3 Converter, or swap formats with MP3 to MP4 Converter and MP4 to MP3 Converter.
How to use
Drop an MP4, MOV, or WebM up to 50 MB and preview the clip. For a broader convert-and-save flow, try the MP4 to MP3 Converter.
Pick a Most Used track, browse more copyright-free MP3s, or upload your own (up to 20 MB).
Adjust original video sound and background music volumes, then click Add Music to Video. The MP3 loops if needed and is trimmed to the video length.
Play the finished video with the new soundtrack, then download the MP4.
Why use it
Silent screen recordings, B-roll, and meme clips often need a soundtrack before you publish to YouTube, Shorts, TikTok, or Instagram Reels.
Swap noisy original sound for a clean copyright-free MP3 in one pass.
Preview and select from 100+ Mixkit royalty-free tracks without leaving the page.
Upload a custom MP3 when you already have licensed or original music.
Features
Start with popular copyright-free tracks, then browse Mixkit MP3s by genre.
Use your own audio file when you have rights to the track.
Server-side FFmpeg applies soundtrack without a desktop editor.
Confirm picture and music before downloading the MP4.
FrontendGeek does not overlay logos on the exported video.
Pair with YouTube downloaders and MP3↔MP4 converters for a full workflow.
Only combine video and audio you own or have permission to use. Check Mixkit license terms before monetizing.
Upload videos up to 50 MB (MP4 / MOV / WebM).
Background MP3 uploads up to 20 MB.
Do not apply music or footage you are not allowed to redistribute.
FAQ
Quick answers about Add Music to Video.
Yes. Add copyright-free background music, preview the MP4, and download with no FrontendGeek watermark.
Guides
Format comparisons and audio/video conversion help from the Tools Guide.
Help others discover this free tool
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