Audio Volume Adjuster

Boost or lower volume with a slider — preview first, then export. Processed in your browser, never uploaded.

Click to choose an audio file, or drag it here

Supports MP3 / WAV / M4A / AAC / OGG / FLAC, etc.

Max file size is 2GB. Larger files may process slowly — compress first if needed.

The first run loads an ~30MB FFmpeg engine from CDN, then it is cached. Export re-encodes to apply the volume filter, which may slightly affect quality.