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 assets for a US-hosted site on AWS, Cloudflare, or Vercel, trimming email attachments for Gmail and Outlook, or submitting documents to federal portals, this tool keeps your files lean and your workflow fast — all without uploading anything to a server.