Mutagen
Python module for handling audio metadata
Pricing
Free tier
Flat rate
Adoption
↘CoolingLicense
Open Source
Data freshness
Aging · Jun 8, 2026Overview
What is Mutagen?
Mutagen is a Python library designed to handle audio metadata. It supports various formats and allows developers to read, write, and manipulate tags in audio files.
Key differentiator
“Mutagen stands out with its comprehensive support for multiple audio formats and a simple, yet powerful API for handling metadata.”
Capability profile
Capability Radar
Honest assessment
Strengths & Weaknesses
↑ Strengths
↓ Weaknesses
Mutagen's support for less common audio formats like WAVPACK or Musepack is either limited or non-existent.
The methods and properties available for manipulating metadata differ significantly between supported formats, leading to a more complex integration process.
While basic operations are covered in the documentation, detailed explanations or examples for handling specific edge cases or less common metadata fields are lacking.
Mutagen may exhibit slow performance when dealing with a large number of audio files or very large individual file sizes, which can be problematic in production environments.
Fit analysis
Who is it for?
✓ Best for
Developers working on projects involving the manipulation and extraction of metadata from various audio file formats.
Audio application developers who need a robust library for handling different types of audio files.
✕ Not a fit for
Projects that require real-time streaming capabilities as Mutagen is focused on local file operations.
Applications needing advanced AI-based audio processing beyond metadata manipulation.
Cost structure
Pricing
Free Tier
Available
Open source — free to use
Starts at
$0
Model
Flat rate
Enterprise
None
Performance benchmarks
How Fast Is It?
Ecosystem
Relationships
Next step
Get Started with Mutagen
Step-by-step setup guide with code examples and common gotchas.