Reversing buffers all samples, so keep files reasonably short.

Reverse Audio

Play an audio file backwards.

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About Reverse Audio

Reverse an audio track. Best for short files since it buffers the whole clip. Runs in your browser.

Select or drag and drop your media file into the Reverse Audio tool above. Your file is processed directly inside your browser using WebAssembly.
Configure your desired settings, conversion presets, or editing controls for the selected media.
Process your file locally and preview the result in the interactive player or canvas viewer.
Click Download to save the finished file directly to your device with no watermarks, accounts, or file size limits.

Length limit?: Reversing buffers all samples, so keep files reasonably short.

Other private, in-browser tools you might need.

Cut a section out of an audio file, quick and lossless.

Join multiple audio files into one track.

Speed up or slow down audio without changing pitch too much.

Make an audio file louder or quieter.