Compress Audio to Target Size
Select a size preset or enter a custom target, then compress audio files to fit.
またはここにファイルをドロップ
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
関連ツール
動画をサイズ制限で圧縮
8MB、10MB、25MB、50MBなどのプラットフォームサイズ制限またはカスタムターゲットに合わせてブラウザ内で動画を圧縮します。
MP3を圧縮
音声品質を維持しながらMP3ファイルサイズを最大80%削減します。無料オンラインMP3コンプレッサー - 100%ブラウザベース、アップロード不要。
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.