MonoChecker Free by Darklight Audio - Audio Utility Application

KVR
Developer
Challenge
2026

MonoChecker Free by Darklight Audio is a Software Application for macOS. It functions as a Standalone Application.

Product
Version

1.1.1

Sys Reqs

Operating System
macOS Ventura (13) to macOS Tahoe (16)

Processor
macOs: Apple Silicon (M1, M2, M3, or newer) and Intel (not universal binary)

Memory (RAM)
8 GB RAM minimum
16 GB RAM recommended for large batch analysis

Storage
~310 MB available disk space for application and bundled tools
Additional space required for audio files being analyzed

Audio File Support
Supports common professional audio formats including WAV and AIFF
Processing speed depends on file length, sample rate, and number of files

Internet Connection
Not required for analysis
Occasional internet access may be used for license activation or verification

Notes:
Performance scales with CPU speed, disk speed, and batch size rather than GPU capability

Other

Stand-Alone Utility / Application

Sample Formats
Loads and/or Saves

AIFF, AU, CAF, FLAC, MP3, RF64, W64, WAV

Copy Protection

None

Open Source

Free (Public Domain)

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MonoChecker Free is a free standalone audio utility from Darklight Audio that scans folders of WAV, AIFF, MP3, and other common audio file types to identify stereo files where the left and right channels are identical. It is designed to stay fast, focused, and uncluttered.

It helps audio engineers, mastering engineers, producers, and studio professionals catch file-format mistakes before delivery, mastering, upload, or archiving. Once identified, users can replace unnecessary stereo files with true mono versions, potentially reducing those files' storage size by roughly half.

Features:

Completely free — no license or payment required.
Detects dual-mono files where both left and right channels are identical.
Drag-and-drop file or folder workflow.
Automatic batch processing.
Supports common audio formats including WAV, AIFF, MP3, and more.
Helps clean up archives, deliverables, and production folders.

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