Compress Audio to Target Size
Select a size preset or enter a custom target, then compress audio files to fit.
or drop files here
Maximum file size: 200MB per file
Supported Formats
Supports all common audio formats. Output format can be selected below.
Supported input: MP3, WAV, OGG, AAC, M4A, FLAC, and more
Supported output: Original, MP3, WAV, OGG, AAC
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Learn more about this tool
About Audio Target-Size Compression
Need your audio files under a specific size limit? This tool uses multi-pass bitrate optimization to compress audio to your exact target size. Supports MP3, WAV, OGG, AAC, M4A and more. All processing happens in your browser — your files never leave your device. Whether you are optimizing for the NBN, preparing myGov submissions, or sharing files across Australia's vast distances, this tool keeps your files light and quick to transfer — even on regional, fixed-wireless, and satellite connections, with no upload required.