Audio Reverser

Reverse browser-decodable audio without uploading the source.

Choose audio file

Choose an audio fileEvery decoded audio channel is reversed sample-for-sample.

Audio processing cluster

Verify the source before trusting the render

Decode locally, confirm sample rate, channels, duration and level evidence, then apply the transformation. Keep codec, browser decode and export-format limits explicit.

Start: Audio Editor Inspect a File

All 24 audio tools

Sample RateResample rate, Nyquist and output frames Stereo → MonoDownmix, correlation and cancellation risk Speed ChangerDuration, pitch and resampling behavior Loop MakerLoop boundaries, seam and repeated duration Frequency AnalyzerFFT resolution and spectral evidence Bass BoosterLow-shelf gain and clipping headroom Audio JoinerClip order, transitions and output duration Loudness AnalyzerLUFS planning, peak and dynamics

Codec and measurement boundaries

Browser decoding differs across Safari, Chrome, Firefox, iOS, and Android. Rendered edits are exported as WAV unless a tool explicitly states another supported container. Loudness analysis is a practical BS.1770-style estimate rather than a certified meter, and sample clipping checks do not replace true-peak oversampling.

Audio render integrity

Compatible files are decoded locally. Source and rendered signal metrics distinguish the file container from decoded PCM, and generated exports are treated as current only for the settings that produced them.

Use this result with confidence

Verify the source format before rendering

Reversing audio should change sample order, not silently change channel count, sample rate, or duration. Inspect the decoded source properties first and compare them with the exported WAV. If the input is compressed, remember that decoding creates PCM samples before reversal, so the new file is not a byte-reversed copy of the original container.

Use waveform landmarks for a round-trip check

Speech attacks, drum hits, or a deliberate click near one end of the source make useful landmarks. After reversal, the landmark should appear at the mirrored time position. Reverse the exported result again and compare duration and audible structure with the original to catch truncation or channel-order mistakes.

Loudness and clipping are separate issues

Reversal does not mathematically increase sample amplitude, but playback can feel different because attacks and decays swap direction. If the source already clips, the reversed result will retain those clipped samples. Use a level meter or waveform inspection when the export will be edited further rather than judging integrity from perceived loudness alone.

Keep a lossless intermediate for editing

The page exports WAV so the reversed result can be checked without another lossy encoding pass. If the final delivery format is MP3 or another compressed codec, do the reverse operation and other edits first, then encode once at the end. Keep the original source available so later quality problems can be traced to a specific stage.