MP3 Normalizer

Workspace

Output: MP3

Step 1

Drop in one audio file from your device. Supported formats: MP3, WAV, M4A, AAC.

Drop a file here or click to browse

Keep it to one clean source file for the simplest output.

Choose File

Step 2

Use the preset that matches the output you want, then compare the result before downloading it.

Step 3

Large files can take a while, especially when the browser has to re-encode media before export.

Choose a file to begin.

Progress 0%

FAQ

MP3 Normalizer FAQ

Common questions about supported files, privacy, and downloads.

01 Is the MP3 Normalizer free?

02 Are my files uploaded to Upstream?

03 Which file formats does the MP3 Normalizer support?

4 ways to stream

These free utilities cover the small jobs around content creation. For continuous channels and team production, Upstream also supports 24/7 live streaming, pre-recorded live streams, multistreaming, and Live Studio broadcasts.

For this tool, the closest next step is Live Studio, so that workflow appears first below.

Invite speakers, share screens, manage scenes, and add branded overlays for podcasts, webinars, interviews, and launches.

Upload once, build a playlist, and let Upstream run continuous live playout without OBS, a VPS, or an always-on computer.

Turn recordings into scheduled live streams, premieres, loops, and recurring broadcasts from the same cloud workflow.

Go live to YouTube, Twitch, Kick, Facebook, Rumble, and custom RTMP without making your upload connection carry every copy.