Custom Software

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• Japanese
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Before Use

• This page distributes audio file processing tools.
• All software below has been virus-checked with VirusTotal, so you can use them with confidence.
• All software here is Windows-only.
• Since these are designed for use with Windows Terminal, please refer to Windows Terminal Recommended Settings for better usability.

Software List

FFmpeg Auto Installer

With this tool, anyone can easily install the latest version of FFmpeg without confusion.

All software here requires FFmpeg, so please make sure to install it before use.

• ReadMe
• Download (12KB)

Audio Analyzer

A tool for detailed analysis of audio quality in WAV/FLAC/M4A files. Uses FFmpeg's ebur128 filter to perform measurements in full compliance with the EBU R128 standard.

• ReadMe
• Download (22.9MB)

LUFS Unifier

For multiple WAV files, automatically performs:

1. Remove silence at the beginning and end
2. Unify LUFS using linear gain adjustment only to normalize perceived volume
3. Convert to ALAC files
4. High-quality conversion to CD format (44.1kHz/16bit) (optional)

All processes are fully automated.

• ReadMe
• Download (104MB)

LUFS Unifier Simple

LUFS Unifier Simple is a simplified version of the standard LUFS Unifier, focused solely on LUFS normalization by removing the silence cutting and ALAC conversion features.

• ReadMe
• Download (103MB)

Audio Gain Adjuster

A simple tool for adjusting the volume (gain) of WAV/FLAC/ALAC files.

• ReadMe
• Download (20.5MB)

WAV to CD Format Converter

A dedicated tool for converting various WAV file formats to the music CD standard format (44.1kHz/16bit).

• ReadMe
• Download (128MB)

WAV ⇄ ALAC Converter

A high-quality bidirectional converter for converting between WAV files and ALAC (Apple Lossless) files.

• ReadMe
• Download (6.92MB)

Music Tag Extractor

A tool for batch extraction of tag information (metadata) from music files and output to CSV files.

• ReadMe
• Download (6.91MB)

Disclaimer

Usage Precautions

1. Use of distributed software is at your own risk.
2. The developer assumes no responsibility for any changes in sound quality or losses resulting from audio file processing.
3. It is strongly recommended to back up important files in advance.
4. For commercial use, please comply with relevant copyright laws and license agreements.
5. The developer assumes no responsibility for any damages arising from the operation of this tool.
6. Due to Windows specification changes or FFmpeg updates, the software may stop working in the future.
7. Support is generally not provided.

Developer Noriya

First Published

November 3, 2025

Last Updated

November 4, 2025

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