Reverse audio
Reverse audio for free: play a song, voice message, or recording backwards and save it. Nothing is uploaded, and there's no watermark.
Drop an audio file to play it backwards
A song, voice message, or recording reversed, saved in its own format. A video's sound is reversed with its picture.
MP3, M4A, WAV, FLAC, and other audio, or a video with sound.
How to reverse audio
Open an MP3, WAV, voice memo, or any sound and save it playing from its end to its start, for a backwards-message game, a sound effect, or a reverse song challenge. It stays in its own format. A video is reversed picture and all. It runs in your browser, so the file stays on your device.
Step 1
Open your audioAn MP3, WAV, voice memo, or a video.Step 2
Reverse itIt plays from its end to its start.Step 3
Download itSaved in the same format as the original.
What to expect
- Supported inputs
- MP3, WAV, M4A, AAC, FLAC, OGG, Opus, AIFF, and other audio files, and videos (MP4, MOV, MKV, WebM) with sound.
- What happens
- The sound is decoded and saved backwards, last sample first, in its own format (FLAC as WAV). A video plays backwards with its sound reversed too.
- Limits
- The whole file is reversed. Very long recordings take a while on a phone.
Private by design
Your video stays on your device
Mastershot processes your file locally in this browser. It does not need to be uploaded to a server, and you do not need an account to use the tool.
- No upload
- No signup
- No watermark