Find out if your music will be turned down by YouTube, Spotify, TIDAL, Apple Music and more. Discover your music's Loudness Penalty score, for free.
Your file will not be uploaded, stored or shared, meaning this process is secure and anonymous.
Apple maintains strict control over the source code, releasing annual major updates to the public—the latest stable version being iOS 26 as of April 2026. Key User Features & Security Use Writing Tools with Apple Intelligence on iPhone
Primarily written in C, C++, Objective-C, and Swift.
Based on Darwin (BSD) and macOS, it utilizes a Unix-like architecture.
iOS is a Unix-derived, closed-source mobile operating system developed by Apple exclusively for its hardware, including the iPhone and formerly the iPad . Known for its seamless integration within the Apple ecosystem, it prioritizes security, user experience, and hardware-software optimization. Core Technical Foundations
Find out how to optimize your music for impactful, punchy playback (and maximum encode quality) for all the online streaming services. Plus, receive a Loudness Penalty Report for your file that explains in detail what all the numbers mean.
Analyze another fileApple maintains strict control over the source code, releasing annual major updates to the public—the latest stable version being iOS 26 as of April 2026. Key User Features & Security Use Writing Tools with Apple Intelligence on iPhone
Primarily written in C, C++, Objective-C, and Swift.
Based on Darwin (BSD) and macOS, it utilizes a Unix-like architecture.
iOS is a Unix-derived, closed-source mobile operating system developed by Apple exclusively for its hardware, including the iPhone and formerly the iPad . Known for its seamless integration within the Apple ecosystem, it prioritizes security, user experience, and hardware-software optimization. Core Technical Foundations
