Video Audio Master

Use this to add background music to vlogs, boost the volume on too-quiet videos, mute videos with unwanted ambient noise, or layer music onto silent promo clips.

Free to download, install and update. No signup; all 76 tools are free within daily limits, Pro only lifts the limits.

Video Audio Master running in BulkPro on Windows
BulkPro, running locally on Windows

What it does

Use this to add background music to vlogs, boost the volume on too-quiet videos, mute videos with unwanted ambient noise, or layer music onto silent promo clips.

How to use it

  1. 1Drag video files into the list.
  2. 2Set what you need:
  3. 3Click Run.

Use cases

Add background music to a vlog

Add the video, pick a music file, Mix Ratio 25%, run. Music sits underneath the speech.

Layer music onto a silent promo

Add the video, Mute Original Audio on, pick the music, Mix 80%, run.

Boost a too-quiet video

Add the video, Volume 150%, run.

Mute ambient noise in batch

Add the videos, Mute Original Audio on, no background music, run. You get fully silent videos.

Frequently asked questions

Is Video Audio Master free?

Yes. Downloading, installing and updating BulkPro is free and requires no signup. All 76 tools work for free within daily usage limits; Pro plans only lift the daily limits of the modules you pick.

Local processing

Runs on your CPU/GPU. No file leaves your machine.

Batch ready

Process dozens or thousands of files in one run.

Part of BulkPro

Bundled with 76 tools across 7 modules: one install, one app.

Detailed documentation

Full UI reference, step-by-step workflows, edge cases

Every input, button, and behavior documented for advanced users.

Open documentation