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Add audio to video

Replace a video's soundtrack with your own audio file.

  • Free
  • No account
  • No watermark
  • Deleted after 15 minutes

Drop your files here or paste them

MP4, MOV, WEBM, MKV, AVI, M4V, TS, MTS, FLV, WMV, MPG, MPEG, 3GP, MP3, WAV, M4A, AAC, OGG, FLACUp to 100 MB and 3 minutes

    Private: your files are deleted within 15 minutes, and you need no account.

    Your result

    Preview before you download

    Add your files to begin. The result shows here.

    Swapping the sound on a talk?

    Studio edits the talk itself: it cuts the ums and retakes and adds captions timed to your voice.

    Edit a full recording free

    Working with a longer recording?

    The free tools stop at 100 MB and 3 minutes. The Studio free plan takes recordings up to 2 GB and edits the whole thing.

    Upload it to Studio free
    00:20How it works

    How to add audio to a video

    1. Add your filesDrop them in the box, paste them or browse. MP4, MOV, WEBM, MKV and more.
    2. Press Replace soundtrackThere is nothing to set. The upload starts and the progress shows as it goes.
    3. Preview and downloadPlay the result on the page, then save it. The download link works for 15 minutes.
    00:30Good to know

    Before you start

    Which files can I use?

    MP4, MOV, WEBM, MKV, AVI, M4V, TS, MTS, FLV, WMV, MPG, MPEG, 3GP, MP3, WAV, M4A, AAC, OGG, FLAC. Add the files in the order the tool asks for.

    How big can my file be?

    Each task takes up to 100 MB and 3 minutes of media. For a full recording, the Studio free plan takes files up to 2 GB.

    What happens to my file?

    Files are uploaded to our processing server. Inputs are deleted when processing finishes; downloads and any failed-task files are deleted after 15 minutes. No account is needed.

    Is it free?

    Yes. There is no account, nothing is added to your video, and you can run one task at a time.

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    Editing a talk, a podcast or an interview?

    Upload the raw recording. Studio cuts the ums, retakes and long pauses, adds captions and makes short clips. 30 free minutes, no card.

    Edit my first video free