Reverse MP3, WAV, FLAC, and AAC audio files instantly. Preview reversed audio in the browser, batch process multiple files, and download in your preferred format. 100% free, no signup, all processing happens in your browser.
Audio Reverser
Load the audio engine to start reversing audio files in your browser.
Reverse MP3, WAV, FLAC, AAC, OGG, and M4A audio files
Preview reversed audio directly in the browser before downloading
Choose output format from 7 supported audio formats
Batch reverse multiple audio files at once
Drag and drop file upload for quick processing
Download individual files or all reversed files at once
See original and reversed file sizes side by side
100% client-side processing with FFmpeg WebAssembly
No file upload to any server -- complete privacy
Works offline after loading the audio engine
Generate unique reversed audio effects for videos, games, intros, and multimedia projects. Reversed sounds add an otherworldly quality to any production.
Create reversed guitar swells, cymbal crashes, vocal pads, and ambient textures. Reversed audio is a staple technique in modern music production.
Explore backmasking techniques used in music. Record a message, reverse it, and embed it into a track for listeners to discover by playing backwards.
Study phonetics and pronunciation by listening to speech in reverse. Analyze audio patterns and understand how sounds are formed and perceived.
Reverse voice recordings, songs, and funny clips for entertainment. Share reversed audio with friends or use it in social media content.
Prepare reversed audio samples and transitions for DJ sets. Create build-ups by reversing cymbal hits, risers, and vocal chops for live mixing.
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The fastest, most private way to reverse audio files online. Your files never leave your device.
Reverse audio files in seconds using FFmpeg WebAssembly. No waiting for server-side processing or queue times.
Audio files never leave your device. All reversal processing happens locally in your browser using WebAssembly.
Reverse multiple audio files at once. Add as many files as you need and process them all with a single click.
Choose from MP3, WAV, FLAC, AAC, OGG, M4A, or WMA as your output format for reversed audio.
Once the audio engine loads, reverse files without an internet connection. Process sensitive audio anywhere.
Listen to reversed audio in the browser before downloading. Confirm the result sounds right, then save to your device.
Audio reversal is the process of flipping an audio waveform so it plays from end to beginning. Every element of the sound -- notes, words, rhythms -- plays in the opposite order. This technique has been used in music production, sound design, and creative media for decades, producing unique and often surreal auditory effects.
Unlike cloud-based audio tools that upload your files to remote servers, our reverser processes everything locally in your browser using FFmpeg compiled to WebAssembly. Your audio files never leave your device, ensuring complete privacy for sensitive recordings, voice notes, and unreleased music.
Reversed audio is a foundational technique in music production. Reversed cymbal crashes create dramatic build-ups, reversed guitar creates ethereal pads, and reversed vocals add mystery to tracks. From The Beatles to modern electronic producers, audio reversal has been a creative staple across genres.
Need to reverse an entire collection of audio samples or sound effects? Our batch processing feature handles unlimited files with your chosen output format. Add all your files, select the format, and reverse everything at once. Preview each result with the built-in audio player before downloading.