Audio Compression
Compress audio files with bitrate, sample rate, and channel controls
Drag files here or click to upload
Supported Formats: MP3, WAV, OGG, AAC, FLAC, WMA, M4A
Max File Size: 100MB | Max Files: 30
Privacy
Most tools run locally in your browser. Some features may use server processing when necessary.
Compression Settings
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Recent Tasks
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Before you start
- Good for making MP3, WAV, AAC, FLAC, OGG, and M4A files smaller before upload.
- Bitrate, sample rate, and channel settings let you trade size against quality.
- Useful when an audio file is too large for forms, chat tools, email, or storage limits.
About Audio Compression
Use Audio Compression when the main goal is a smaller delivery file for upload, sharing, or archiving. This page is especially useful when voice memos, podcast previews, music references, or long recordings are too large to send comfortably.
Best use cases
- Voice memo cleanup
- Podcast preview exports
- Attachment size reduction
- Batch audio delivery
Outputs and limits
- Smaller audio files for common delivery channels.
- Parameter-based size and quality trade-offs.
- Batch-friendly flow for multiple files.
Steps
- Upload the audio files you want to reduce.
- Adjust bitrate, sample rate, or channels based on your delivery goal.
- Process the files, compare the result, and download the compressed output.
Common failure reasons
- Unsupported or damaged source audio.
- A chosen output setting conflicts with the source path.
- Browser-side processing becomes heavy for large batches or long recordings.
Frequently asked questions
What setting changes size the most?▾
Bitrate is usually the strongest lever, followed by sample rate and channel count.
Can I compress MP3 before uploading or sending it?▾
Yes. Reducing bitrate is one of the most direct ways to make MP3 delivery files smaller.
Can I compress several files together?▾
Yes. The tool supports multi-file audio processing.
What if I need a different audio format too?▾
Use Audio Format Conversion when the target format is the main requirement.