Reverse Audio

Drop an audio file here, or click to select

Choose an audio file or record with your microphone, then reverse the whole clip to play it from end to beginning.

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Or record with your microphone, then reverse the recording.

Play audio backwards for sound design, music experiments, transition effects, puzzles, language exercises, and creative edits. The complete track is reversed, including every channel.

Reversing changes sample order rather than only changing metadata, so the output is a newly encoded audio file. Choose the original format or export a broadly supported MP3, WAV, M4A, FLAC, OGG, or Opus file.

Long recordings need more browser memory because the reverse filter must read the full audio stream before it can write the beginning of the result.

How to reverse audio online

  1. Choose an audio file or record with your microphone, then preview the audio in the player.
  2. Choose Original format or another available audio format, then click Reverse Audio.
  3. Preview the reversed result and download it when the beginning and ending sound as expected.

Reverse audio FAQ

Does reversing audio change its speed or pitch?

The file keeps the same overall duration and playback rate, but every sound runs backward. Attacks, decays, speech, and melodies therefore sound different even though no separate speed control is applied.

Does the tool reverse the entire file?

Yes. This page reverses the complete audio track. Use the Audio Editor to cut out a section first when you only want to reverse part of a recording.

Is reverse audio the same as polarity inversion?

Reversing changes the order of samples so the track plays from end to beginning. Polarity inversion multiplies sample values by -1 but keeps their time order unchanged.

Which output format preserves the most detail?

Reversing requires a newly encoded result. WAV and FLAC avoid lossy compression, while MP3, M4A, OGG, and Opus can introduce normal encoding changes.

Can I record my voice and play it backwards here?

Yes. Select Start Recording and allow microphone access. Select Stop Recording, preview your voice, then select Reverse Audio. Each recording is limited to 10 minutes or 16 MB. Recordings stay in this browser tab.

Why can’t I start recording?

Allow microphone access in your browser and check that a microphone is connected and available. Recording needs a supported browser on a secure page. You can still upload an existing audio file if recording is unavailable.

Related tools: Audio Editor · Audio Speed Changer