Compress Audio to Target Size
Select a size preset or enter a custom target, then compress audio files to fit.
或將檔案拖放到這裡
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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將MP3檔案大小減少高達80%，同時保持音訊品質。免費線上MP3壓縮器 - 100%瀏覽器本地處理，無需上傳。
Compress WAV
Reduce WAV file size by up to 90% while maintaining audio quality. Free online WAV compressor - 100% browser-based, no upload required.
Compress OGG
Reduce OGG file size by up to 80% while maintaining audio quality. Free online OGG compressor - 100% browser-based, no upload required.
Compress AAC
Reduce AAC file size by up to 80% while maintaining audio quality. Free online AAC compressor - 100% browser-based, no upload required.
Compress M4A
Reduce M4A file size by up to 80% while maintaining audio quality. Free online M4A compressor - 100% browser-based, no upload required.
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.