Compress Audio to 100MB

Practical focus

Use this page for large audio where the goal is staying within a broad upload limit, not extreme compression.

Quick tips

• WAV and FLAC can shrink a lot when converted.
• Already-low MP3 files may not shrink much.
• Large browser jobs take longer.

How to use

• Use Target Size mode at 100MB for large uploads, or lower if the platform limit is strict.
• For large WAV files, convert to MP3 or AAC rather than keeping WAV.
• For long lectures, use 96 kbps mono; for long podcasts, try 128 kbps.
• If the source is already compressed MP3, check whether lowering bitrate is worth the quality loss.

Recommended settings

Supported formats

Use MP3 or AAC output for large general-purpose files.

FLAC and WAV sources should be kept separately if they are masters or archives.

Quality vs file size

100MB is suitable for long files or higher-quality portable copies, but duration still matters.

WAV and FLAC sources often shrink dramatically when converted. Low-bitrate MP3 sources have less useful room to shrink.

Privacy and local processing

Compression runs in your browser, so the original audio is not uploaded to a server.

Large files can still be slow because decoding and encoding use your device memory and CPU.

Things to watch

• Large local compression can be slow or memory-heavy in the browser.
• If the file is already below 100MB, do not recompress unless you have a specific reason.