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How to Compress Audio Files Online With 3 Easy Steps

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Step 1: Add Audio Files

Add audio file you want to compress from computer or network disk.

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Step 2: Set Audio Compression Parameter

Choose audio quality and make audio files smaller.

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Step 3: Compress Audio Online

Click on the COMPRESS button and download/save after conversion.

Why Choose Online UniConverter Audio Resizer

easy to use

Easy to Use, Convenient to Share

Online UniConverter can compress audio file size via a web browser on Windows, Mac, or Linux system, without any downloading and installing.
It enables you to save audio file to Dropbox and share it directly by Facebook, YouTube, or any other device.

any input format

Many Input Formats

You can compress audio file in any format including MP3, WAV, M4A, FLAC, etc.

customize output settings

Smart Output Settings

Smart audio compressor online to shrink audio file size with one click, further customization like video resolution, output size, and format are also available.

no watermark

No Ads Added, No File Limits

Compress audio file without ads added, you can shrink audio file one by one without quantity limit after sign up.

information safety

Privacy Security

Online UniConverter is a secure HTTPS (SSL) connection website, so you can securely upload your audio files.
All the uploaded and compressed audio files are automatically removed from our serves after a few hours.

many output formats

Any Output Quality & Format

You can change the audio files quality with 32Kbps, 64Kbps, 128Kbps, 256Kbps, and 320Kbps. And convert the audio format to MP3, WAV, M4A, AAC, FLAC, M4B, OGG, APE as your needs.

FAQ About Online Audio Compressor

1. How do I reduce the size of an audio file?

Audio file size is related to its format, encoder, sample rate, and bitrate. Generally speaking, changing the bitrate can make the audio file smaller, the higher the bitrate, the bigger the size is. Online UniConverter helps change audio bitrate from 320Kbps to 32Kbps with less quality loss.

Online UniConverter can work on phone, just open the webpage from your mobile browser, and choose the audio files you need to convert by clicking on the + button. It's so easy and convenient.

With Online UniConverter, you can only compress one audio file at a time. But you can free compress 10 times a day after login, or choosing Wondershare UniConverter desktop version for batch audio compression.

Online UniConverter accepts audio files no more than 100MB each, almost all audio files are satisfied with this.

Popular Conversions:

Compress MP3 | Compress WAV | Video Compressor | Compress MP4 | Compress MOV | Compress AVI | MP4 to MP3 | WAV to MP3 | MP3 to WAV