eac3to

3.52 Audio converter for Windows

Fernando Ortega

Software that converts and extracts audio from various formats including AC3, DTS and WAV.

Freeware AC3 converting software download, reviewed by Fernando Ortega
CLI program that helps you convert files (e - Screenshot of eac3to
Command-line support and GUI - Screenshot of eac3to
Simple-to-apply command-line parameters - Screenshot of eac3to
Advanced features - Screenshot of eac3to
Cobert audio and cut parts from file - Screenshot of eac3to
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Application for Windows which runs from the command line to provide audio conversion utility between common audio formats including MP3, WAV, VOB and FLAC.

eac3to is a freeware application that is capable of converting E-AC3, TrueHD, PCM and DTS-HD audio tracks to AC3, DTS or FLAC.

Though eac3to is a command-line application, also included on this site is a download for the EAC3toGUI application which makes using eac3to much easier inside of a graphical user interface.

You can use eac3to to apply filters, apply an AC-3 bit rate, down-convert, down-mix and change the quality and channels of AC3 files. It also supports channel mapping, TrueHD, DTS-HD and FLAC files.

Third party codecs for saving files in different formats might be required.

The bottom line: eac3to is a capable and useful program for converting high definition audio to other formats that can be played on portable devices or on a PC.

Features of eac3to

  • Audio Processing: Audio processing and downmixing of HD audio formats.
  • Authoring: Create ISO files from Blu-ray and DVD discs.
  • BD-J Support: Support for Blu-ray Java applications.
  • Conversion: Convert from Blu-ray, DVD and HD audio formats to MKV and MP4
  • Demuxing: Extract video and audio streams from Blu-ray and DVD.
  • Disc Backup: Backup Blu-ray and DVD discs to ISO images.
  • E-AC3 Support: Support for E-AC3 audio format.
  • Error Correction: Error correction for damaged Blu-ray and DVD discs.
  • Extraction: Extract audio, video and subtitles from Blu-ray, DVD and HD audio formats.
  • Metadata: Metadata support and writing for MKV and MP4 files.
  • Multi-Tool: Comprehensive set of features for manipulating Blu-ray and DVD discs.
  • Playback: Playback of Blu-ray and DVD discs.
  • Re-Encoding: Re-encode audio and video streams.
  • Stream Processing: Stream processing for audio and video streams.
  • Subtitle Support: Support for embedded and external subtitle files.

Compatibility and License

eac3to is provided under a freeware license on Windows from media converter software with no restrictions on usage. Download and installation of this PC software is free and 3.52 is the latest version last time we checked.

What version of Windows can eac3to run on?

eac3to can be used on a computer running Windows 11 or Windows 10. Previous versions of the OS shouldn't be a problem with Windows 8 and Windows 7 having been tested. It runs on both 32-bit and 64-bit systems with no dedicated 64-bit download provided.

Filed under:
  1. eac3to Download
  2. Free Media Converter Software
  3. Portable Software
  4. AC3 Converting Software
eac3to has been picked by our editors as very good.
We have tested eac3to 3.52 against malware with several different programs. Please review the test results. We have not certified this program as clean. [Read more]