Easiest Way to Convert AC3 to FLAC on Windows

Author: Vita
Publish date
Updated on May 22, 2024
  • Download Download the handy AC3 to FLAC converter and
  • Step 1. Add AC3 files to the converter;
  • Step 2. Select FLAC as the output format;
  • Step 3. Start the conversion.
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How to Convert AC3 to FLAC Format?
Step 1. Add AC3 Files
Step 2. Choose FLAC
Optional. Cut Audio & Modify Settings
Step 3. Start Conversion

AC3, developed by Dolby Digital, is an audio format mostly utilized in DVD or Blu-Ray disks. It supports 6 channels to provide different sound effects. Compared with AC3, FLAC is supported by more audio players and applications. FLAC is a free lossless audio codec that can compress audio without losing quality. Converting an audio file to FLAC format can save you a lot of storage space. If you want to play the separate AC3 audio file on your high-end equipment, you can convert AC3 to FLAC for high-quality music enjoyment. Read and follow the guide below to finish your conversion.

How to Convert AC3 Files to FLAC Format Easily?

An AC3 to FLAC converter is essential for this conversion task. You can use the highly recommended WonderFox HD Video Converter Factory Pro software. Well-received by many users, HD Video Converter Factory Pro is considered the best FLAC converter that can convert any audio to FLAC with high quality kept. Meanwhile, it supports batch mode to convert multiple AC3 files rapidly at one go. Simple, fast, and effective. Get the software now!

HD Video Converter Factory Pro
Powerful AC3 FLAC Converter

HD Video Converter Factory Pro offers the easiest way to convert AC3 or other audio files to FLAC on a PC. With a few simple clicks, you can convert to FLAC with small file sizes & high sound quality.

Free download Download for Free
Free download Download for Free

How to Convert AC3 File(s) to FLAC Easily?

Firstly, free downloadfree download and install the converter software on your PC.

Step 1. Import AC3 Files

Launch HD Video Converter Factory Pro and navigate to the Converter part. Then click Add Files on the upper-left side to import your AC3 files. Or you can drag and drop them into the software.

Add AC3 File
Add AC3 File

Step 2. Select FLAC Format

Click the format image on the right side. Head to the Audio category and choose FLAC as the target format.

Choose FLAC
Choose FLAC

Optional. Cut and Change Audio Parameters

Back to the main interface, click the "scissors" icon to cut the audio, and click the "Parameter settings" button to change the related options. You can convert the audio bitrate, alter the channel, change the sample rate from 44100 to 48000 Hz or vice versa, and boost the volume based on actual needs. Once done, press the "OK" button to save your changes.

Optionally Change Settings
Optionally Change Settings

Step 3. Start the Conversion

Click the drop-down arrow icon at the bottom and set an output path. Then press the Run button to start the AC3 FLAC conversion immediately. Once the process is over, a new window will prompt you to check the converted FLAC files.

Finalize the Conversion
Finalize the Conversion
HD Video Converter Factory Pro
More of the Audio Converter
  • Convert to over 500 audio & video formats;
  • Download videos from YouTube and other websites;
  • Screen record with audio (no lag and watermark);
  • Merge, compress, crop, add audio track and subtitles, etc.
Free download Download for Free
Free download Download for Free

Is There a Way to Convert AC3 to FLAC Online?

Absolutely yes! There are many AC3 to FLAC converters on the website, such as Convertio, CloudConvert, and AnyConv. These web-based audio converters allow you to free convert files with limited file sizes. If you only need to convert a small audio or video clip, online converters can be helpful. Here shows you how to convert from .ac3 to .flac on https://cloudconvert.com/ac3-to-flac:

Step 1. Enter the online converter by visiting the site.

Step 2. Click Select File to add AC3 files from your computer, Google Drive, or others.

Step 3. Tap on the "wrench" icon. You can trim the audio and change the parameters at will. Press "Okay" to save your settings.

Step 4. Click the Convert button to start the process. Once finished, download the converted FLAC file to your computer.

AC3 to FLAC Online
AC3 to FLAC Online


That’s all about how to convert AC3 to FLAC easily on a PC. Hopefully, the methods could be helpful to you. Please contact us if you encounter any problems during the process.

By the way, if you want to digitize your DVD collection for handy playback or backup on devices, try the professional DVD ripper & converter below:

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