🔊 Free · No signup · No watermark

Boost Audio Volume Online — Free

Increase or decrease the volume of an audio file by a number of decibels.

Free to try · No signup · Files kept private

Choose an audio or video file

Max 100 MB. Files are processed and not stored permanently.

Volume change in decibels

Output format

Uploading…

See it in action

The same clip before and after this tool.

Before

Please wait, loading audio...

After

Please wait, loading audio...

Upload your file

Adjust the settings

Download the result

How loud can I make my audio?

You can raise the volume by up to 30 dB. Very large boosts may distort quiet recordings, so increase gradually.

Every tool here is also available to AI assistants and developers via our MCP server and REST API.

MCP server API docs