The simplest way to convert video to audio

You can extract the audio from a video file and save it separately using free software on Windows, Mac, or Linux. The most straightforward tool is FFmpeg, a command-line program that works reliably across all platforms, though it requires typing commands rather than clicking buttons. If you prefer a graphical interface where you point and click, VLC Media Player (free on all platforms) or Audacity (free audio editor) can both do this without learning any technical syntax.

The process takes about five minutes once the software is installed. You select your video file, choose the audio format you want (usually MP3 or WAV), and let the program extract and save the audio. The resulting file will be much smaller than the original video because it contains only sound, no video data.

Key Takeaways

  • VLC Media Player is the easiest option for most people because it has a menu-based interface and is already installed on many computers.
  • FFmpeg is the most reliable choice if you plan to convert many files, though it requires typing commands in a terminal window.
  • The audio quality of the extracted file depends on the original video's audio quality, not on the conversion process itself.
  • MP3 format works on nearly all devices and players, while WAV preserves higher quality but creates larger files.

Using VLC Media Player (Windows, Mac, or Linux)

VLC is the easiest method if you want to avoid typing commands. Open VLC, then go to the Media menu and select Convert/Save. Click the Add button, navigate to your video file, select it, and click Open. Then click the Convert/Save button at the bottom of the window.

A new window opens showing conversion settings. At the bottom, there is a dropdown menu that says Profile. Click it and select an audio format — Audio - MP3 is the most common choice because it plays on virtually every device. If you want higher quality and do not mind larger files, choose Audio - FLAC or Audio - WAV.

Below the Profile dropdown, click the folder icon next to the text field to choose where to save your audio file and what to name it. Then click Start. VLC will extract the audio and save it in the format you chose. The time this takes depends on the video length — a 10-minute video typically takes 2 to 3 minutes.

Using Audacity (Windows, Mac, or Linux)

Audacity is a free audio editor that can also import video files and extract their audio. read and install it from audacityteam.org. When you open Audacity, go to File and select Open, then navigate to your video file and open it. Audacity will extract the audio track and display it as a waveform on the screen.

Once the audio is loaded, go to File and select Export. Choose the format you want from the dropdown menu — MP3 Export is the standard choice. Give your file a name and click Save. Audacity will ask you to confirm some audio settings; the defaults work fine for most purposes. Click Export again, and your audio file will be saved.

Audacity is particularly useful if you want to edit the audio after extracting it — trim the beginning or end, adjust volume, or remove background noise — because you can do all of that before saving.

Using FFmpeg from the command line (Windows, Mac, or Linux)

FFmpeg is the most powerful option and the fastest for converting many files at once, but it requires opening a terminal or command prompt and typing a command. read FFmpeg from ffmpeg.org and follow the installation instructions for your operating system.

Once installed, open a terminal (Mac or Linux) or Command Prompt (Windows). Navigate to the folder where your video file is stored. Then type this command, replacing inputvideo.mp4 with your actual video filename and outputaudio.mp3 with the name you want for your audio file:

ffmpeg -i inputvideo.mp4 -q:a 0 -map a outputaudio.mp3

Press Enter and FFmpeg will extract the audio. The -q:a 0 part tells FFmpeg to use the highest quality setting for MP3. If you want a different format, replace .mp3 with .wav, .flac, or .aac. FFmpeg works with nearly every video and audio format without needing to change the command.

Understanding audio formats and file size

The format you choose affects file size and compatibility. MP3 is the standard — it compresses audio to about one-tenth the size of the original while maintaining quality acceptable for most listening. Nearly every device and player supports MP3. WAV is uncompressed, so it preserves the original audio quality exactly but creates much larger files — a 10-minute audio track might be 100 MB as WAV but only 10 MB as MP3.

FLAC is a middle ground: it compresses audio without losing quality, so files are smaller than WAV but larger than MP3, and it works on most modern devices but not all older ones. AAC is similar to MP3 in size and quality and is the default format on Apple devices.

The audio quality of your extracted file depends entirely on the original video's audio quality. If the video has poor audio, extracting it will not improve it. Conversion does not add or remove quality — it only changes the format and file size.

Troubleshooting common problems

If VLC says it cannot open your video file, the file format may not be supported. Try using FFmpeg instead, which handles almost every format. If FFmpeg is not found when you type the command, the installation did not complete correctly — reinstall it and make sure to follow the step that adds it to your system path.

If the extracted audio is silent or very quiet, the video file may have multiple audio tracks and the conversion tool picked the wrong one. Try opening the file in VLC's media information window (Ctrl+I on Windows, Cmd+I on Mac) to see how many audio tracks it contains. If there are multiple tracks, FFmpeg can extract a specific one by adding -map 0:a:1 to the command to select the second audio track instead of the first.

If your computer is very slow during conversion, close other programs to free up processing power. Conversion is CPU-intensive, and running many programs at once will make it take longer.

When to extract audio versus downloading audio separately

If you are working with a video you recorded yourself or downloaded, extracting the audio is the right approach. If you are trying to get audio from a website like YouTube, most sites' terms of service prohibit downloading content. Some websites offer audio downloads directly — podcasts, for example, are usually available as audio files without needing conversion.

If you need audio from a streaming service like Netflix or Spotify, those services have legal restrictions on downloading, and extracting audio from them violates their terms of service. For music, purchasing it or using a streaming service is the legal path.

Frequently Asked Questions

Will extracting audio reduce the quality?

No. Extraction copies the audio data from the video without changing it. The quality of the extracted audio is identical to the audio in the original video. If you then convert to a compressed format like MP3, some quality is lost in that compression step, but that happens during format conversion, not extraction.

Can I extract audio from a video on my phone?

Yes, but it is more difficult than on a computer. On iPhone, you can use the Shortcuts app to convert video to audio, though it requires setting up a workflow. On Android, apps like VidToMP3 or Video to MP3 Converter can do this. Desktop software is generally simpler and faster if you have access to a computer.

What if my video file is very large?

Extraction speed depends on your computer's processor, not file size. A 2 GB video file takes roughly the same time to extract as a 500 MB file — the time is based on the video's duration, not its size. If extraction is taking a very long time, check whether your computer is running other demanding programs and close them.

Can I extract audio from a video that is password-protected?

If the video file itself is encrypted or copy-protected, extraction software will not be able to read it. If the video is straightforward in a folder that requires a password to access, you need the password to open the folder, but once you have the video file, extraction works normally.

Is there a difference between extracting and converting?

Extraction means taking the audio track out of the video file. Conversion means changing the audio format (MP3, WAV, etc.). Most tools do both at once — they extract the audio and convert it to your chosen format in a single step. You can also extract to the same format the video already uses, which is faster because no conversion happens.