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Normalize Audio Volume Online — Free LUFS Normalizer
Normalize loudness to a standard level (e.g. YouTube -14 LUFS).
Free to try
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No signup
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Files kept private
See it in action
The same clip before and after this tool.
Before
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After
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How it works
1
Upload your file
2
Adjust the settings
3
Download the result
Frequently asked questions
What is LUFS?
LUFS measures perceived loudness. YouTube and Spotify target about -14 LUFS; broadcast TV targets -23 LUFS. Normalizing to a target keeps your audio at a consistent level.
Automate it
Every tool here is also available to AI assistants and developers via our MCP server and REST API.
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