How much does LUFS Converter Pro cost?

The full version is a one-time introductory price of €29.00 (instead of €49.00; no subscription, no cloud account). You can try LUFS Converter Pro for free before purchasing. Order your license via the order form.

What is new in version 3?

Version 3.3.0 is current. The short overview is in the release post (earlier: 3.2.1, 3.1.0, 3.0). More detail is in the changelog.

Does the program work on Windows 11?

Yes. LUFS Converter Pro runs on Windows 10 and Windows 11 (64-bit).

What are the system requirements for LUFS Converter Pro?

Minimum Recommended Operating system Windows 10/11 (64-bit) Windows 11 (64-bit) Processor 2 cores 4 or more Memory 4 GB 8 GB or more Disk space ~300 MB + your audio files Room for originals and copies Screen 1366 × 768 1920 × 1080 Internet Not required – Admin rights Not required – Operating system Windows 10 or Windows 11 (64-bit). Older 32-bit systems are not supported. The program is available for Windows only – not for Mac. Processor At least 2 cores, 4 or more recommended. When processing many files, several tracks are handled at the same time – on a slower PC that can take noticeably longer. Memory At least 4 GB, 8 GB or more recommended for large collections. If memory runs low, the program will let you know and suggest processing fewer files at once. Disk space About 300 MB for installation. You also need space for your audio files. With a separate destination folder: room for the new files. Without a destination folder: roughly twice as much space in the source folder, because originals are backed up in the _original subfolder first. The folders must be writable. Screen At least 1366 × 768 pixels. On smaller screens the program starts maximized. The window can be resized down to 600 × 400 pixels. Installation Everything you need is included in the setup – nothing extra to install. No administrator rights required. The program installs in your user folder and saves your settings there. Internet Not required for everyday use or license activation. You only need internet to download the program and place an order on the website. Audio formats MP3, FLAC, and WAV. M4A/AAC is not supported. A sound card is not required – only files are processed, nothing is played back. License License information is stored on your PC in your user profile.

Is there a Mac version?

No. LUFS Converter Pro is currently available for Windows only. A Mac version is not planned at this time.

How do I activate the software offline?

After purchase you receive a serial code by email. In the program, open License → License management, copy your device ID into the order form when buying, then enter the serial code. Activation works entirely offline – no internet connection is required in the app.

Consistent volume for entire audio folders on Windows

Name: LUFS Converter Pro
Brand: Independent Software
Price: 29.00 EUR
Availability: InStock
Author: Horhäuser Online

What is LUFS Converter Pro?

LUFS Converter Pro is a Windows application by Independent Software. It brings the loudness of many audio files to a consistent target LUFS level – whole folders at once, offline on your PC.

Select one or more source folders, optionally a destination folder and a target loudness value. The program processes all supported files including subfolders, checks the finished file and backs up the originals automatically.

Guide Music loudness normalization LUFS targets and common pitfalls – concise Features at a glance

Measure, then adjust

Exact loudness matching without extra compression – no audible artifacts.

Whole folders at once

Process entire folders with live progress; large runs can resume after a stop.

Peak protection

True Peak ceiling free to set – protects against clipping when levels are raised.

Source quality preserved

Same format, bitrate and sample rate. Only levels adjusted – metadata included.

Use cases

EBU R128 broadcast

-23 LUFS

Radio material to the European standard — with a clear measurement report per file.

Guides: Match MP3 folders Normalize MP3 Spotify LUFS Music library All guides in the blog →

See it in action

LUFS Converter Pro – ready settings for streaming, podcasts and radio — Ready settings for streaming, podcasts and radio.

LUFS Converter Pro – offline activation with device ID and serial code — Offline activation: copy device ID, enter serial code – no cloud.

LUFS Converter Pro – license status in the app — License status directly in the app under License.

How to order your license

Serial code for one Windows device – by email after online payment, or after bank transfer clears.

1. Download Download LUFS Converter Pro, run the installer, and start the program.

2. Copy device ID Activation dialog with device ID in LUFS Converter Pro

Open License → Copy device ID in the program and copy your device ID.

3. Order online Complete the order form and pay by bank transfer or card.

4. Receive serial code License status dialog in LUFS Converter Pro

Bank transfer: manual after payment is received (usually within 24 hours). All other payment methods: automatic and immediate by email. Activation is offline in the program.

Try free first

Consistent volume for entire folders – on Windows