EAC Codecs

A curated package of command-line audio encoders and converters compiled for use with Exact Audio Copy and other compatible software.

Software information

Current version
1.0.1.0
Released
16 September 2026
Type
Audio encoding toolkit
Platform
Windows
Architecture
x86, x64
Minimum OS
Windows
Publisher
Cole Williams Software Limited
Licence
Free

About EAC Codecs

EAC Codecs is a collection of command-line audio encoders and converters for Windows, maintained by Cole Williams Software. It is designed for use with Exact Audio Copy and can also be used with other applications that support external command-line encoders.

Use EAC Codecs when you need to encode or convert audio. For general audio and video playback support in Windows, use Media Player Codec Pack.

Included encoders and converters

ComponentVersionFormatPurpose
LAME4.0MP3Audio encoder
Custom LAME 4.0 build with cVBRb support in addition to standard CBR, ABR and VBR modes.
FLAC1.5.0FLACLossless audio encoder
CW-AAC1.0.1.0AACAudio encoder
CW-ALAC1.0.1.0ALACLossless audio encoder
CW-Opus1.6.1.0OpusAudio encoder
Supports VBR, constrained VBR, protective cVBR and CBR modes.
CW-AC31.0.1.0AC-3Audio encoder
CW-DTS1.0.1.0DTSAudio encoder
CW-DTS-WAV1.0.1.0DTS-WAVAudio converter
CW-HDCD1.0.1.0HDCDAudio decoder / converter

Formats and uses

MP3FLACAACALACOpusAC-3DTSDTS-WAVHDCD

Typical uses