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Audio Compressor

Reduce audio file size instantly with Summary AI’s online audio compressor. Compress MP3, WAV, and more using flexible compression settings without losing quality.

Online Audio Compressor

Reduce audio file size without losing quality

Drag & drop your file here or browse to upload

Accepted formats: MP3, WAV, M4A, OGG, FLAC · Max 200MB

Quality

+ Fast

Conversion 

Speed

100K +

Happy
users

95% +

Quality

Output

100 +

Languages
supported

How to compress audio files

Follow three simple steps to compress audio files, adjust compression settings, and reduce audio file size instantly.

1. Upload your video file

Upload MP3, WAV, or other formats using Summary AI’s online audio compressor.

2. Adjust compression settings

Choose your compression ratio, bitrate, or file size using flexible audio compression online settings.

3. Download your compressed file

Download your optimized file with reduced size and high quality.

Compress audio files without losing quality

Use Summary AI’s online audio compressor to reduce audio file size with precise compression settings, customizable ratios, and high-quality output.

automatic-subtitles

Target file size or percentage


Compress video file to a specific size or reduce video size by percentage of the original

Adjust video quality (CRF)

Control compression using quality-based settings to balance file size and clarity

Advanced codec compression

Choose between H.264 and H.265 codecs for better compression efficiency

Bitrate & resolution control

Reduce video size by adjusting bitrate or resizing resolution for optimized output

Audio compressor for all formats

Compress audio files online using a powerful audio compressor that supports 
MP3, WAV, AAC, FLAC, and more with flexible compression settings and high-quality output.

video-mp4

MP3

Most common audio format

video-mov

WAV

High-quality uncompressed audio

AAC

Efficient compressed format

FLAC

Lossless compression format

video-webm

OGG

Open-source audio format

video-flv

M4A

Optimized for modern devices

Also supports AIFF, OPUS, AMR, and more

Why compress audio files?

Using an online audio compressor, you can reduce file size, optimize performance, and maintain quality with smart compression ratio settings.

Explore powerful AI tools for every workflow

Use Summary AI to convert files, compress audio, extract sound, transcribe content, and streamline your workflow with fast, reliable AI tools.

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Convert video files into accurate text transcripts.

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Online video compressor

Compress video files while maintaining quality.

Online audio compressor

Reduce audio file size without
losing quality.

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Frequently Asked Questions

Common questions about using a audio compressor online, reducing audio size, and optimizing audio quality.

Upload your file to Summary AI’s online audio converter, choose your output format, and convert instantly. Your file will be ready to download in seconds.

Yes. With Summary AI, you can convert MP4 to MP3 by extracting audio from video files quickly and easily.

Summary AI’s online audio file converter supports MP3, WAV, AAC, OGG, FLAC, and more, along with video formats like MP4 for audio extraction.

Yes. Summary AI offers a free audio converter so you can convert files online without installing software. Advanced features may be available in paid plans.

Yes. Summary AI works as an audio extractor, allowing you to convert video to audio and download MP3 files or other formats.

Yes. Summary AI ensures high-quality output so your audio files and MP3 files retain clarity and sound quality.

Yes. Files uploaded to Summary AI are processed securely and automatically deleted after conversion.

No. Summary AI is a fully online tool, so you can convert audio directly from your browser.

Frequently Asked Questions

Reduce file size, optimize quality, and control your compression settings with Summary AI’s powerful audio compressor. No downloads, no complexity – just fast, reliable audio compression online.

No credit card required · Instant results

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