How to Extract Audio From FLV Files [Mac Only]
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extract audio from flv I’m not an advocate of piracy but here’s a cool idea to grab songs off YouTube. As you may know, YouTube has a huge collection of music videos. Sometimes, I’d watch a music video over and over again just to listen to the song. I’ve just found a nifty application which will extract the audio from FLV files (YouTube videos).

Most sites serve their videos as FLV (Flash Video) files. I’ll just be using YouTube as an example. Video files from YouTube are generally in 2 formats: FLV and MP4. Normal quality videos are formatted in FLV and high quality videos are formatted in MP4.

Contained within a flash video are the video and audio tracks. Using iExtractMP3, the audio track can be split from any FLV file. The perk of using this particular application is: no transcoding is performed when extracting the audio – meaning that there is no loss in quality.

How to Extract Audio From FLV Files [Mac Only] flv content

That’s right, iExtractMP3 only grabs the audio, whatever the format (AAC or MP3) from the video file. And it does it amazingly fast too. It managed to extract the audio of a 3 minute long video in only 4 seconds.

And you don’t need to be a brainiac to use it, either. Simply download videos from YouTube, we’ve covered several methods here at MakeUseOf:

And drop the FLV file into iExtractMP3, select a destination and click ‘Extract’.

iextractmp3 - how to extract audio from flv file

how to extract audio from youtube

If you fancy an online method of exactly the same procedure, Karl has the low-down.

iExtractMP3 is Universal Binary and will work on Mac OS X 10.4 and onwards. Here is the original website in Japanese.

Oh and for those of you who prefer web apps, you may try VidToMP3, an online video to MP3 converter.

Do you know of any other Mac (or Windows) application which can extract audio from FLV files? Share them in the comments!

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  1. pengsz
    January 6, 2010 at 6:23 pm

    thanks
    here i know a iMoviesoft Audio Converter for Mac
    it can extract audio from video files including MPEG, MP4, M4V, MPG, MPEG2, WMV, ASF, MKV, MPV, AVI, 3GP, 3G2, FLV, MOD, TOD, such as converting MP4 to MP3, MKV to AAC, etc.

  2. tracyjump
    December 6, 2009 at 8:48 pm

    For windows user, Here I find another Video Conversion Software which could convert between all popular Video formats ( AVI, MKV, MP4, WMV, FLV, MPEG etc.) that support all popular portable media players (such as Zune/Zune HD, iPod/iPhone and PSP) and the latest iPod Nano 5G, iPod Touch 3, iPhone 3GS/OS 3.1.

  3. Ajmol
    November 28, 2009 at 10:07 am

    Thanks for the tip! It works very well!

    Keep the good work up!

    Cheers

  4. shirleyyang
    October 29, 2009 at 9:03 pm

    Well, i enjoy this (mac-video-converter.net) MAC Video Converter, which can extract audio from all the video files including FLV, AVI, MOV, etc fast and easily!

  5. elina
    October 22, 2009 at 12:38 am

    I use the uSeesoft Audio Converter for Mac
    it can also extract audio from video files including MPG, MPEG, MPEG2, MP4, M4V, RM, RMVB, WMV, ASF, MKV, MPV, AVI, 3GP, 3G2, FLV, MPV, MOD, TOD and convert one video format to any other audio format, such as converting MP4 to MP3, converting FLV to WAV, converting MKV to AAC, etc.
    http://www.useesoft.com/video-converters/audio-converter-mac.html

  6. MJ
    August 14, 2009 at 6:03 pm

    I use MPEG Streamclip squared5.com/svideo/mpeg-streamclip-mac.html and just select Export Audio under File menu. Exports as AIFF on some vlf files that iExtractmp3 couldn't manage.

  7. Jeff
    July 29, 2009 at 2:12 am

    Useful info, if you wanna download video from YouTube for mac, i know Get Tube is the only tool for this job...

    if for windows, i althrough use this cool YouTube video converter to extrct audio from FLV video,easily and quickly.

    Guide: "How to convert youtube video to mp3..."

  8. Alberto
    February 25, 2009 at 10:31 am

    Users of Firefox on all platforms can use the "Media Converter" extension for this task. It works with most video sites, just click on the icon and it opens a wizard with step by step instruction to save a copy of the video in any format you want, or to extract the audio only in a variety of formats.

    • Chris
      February 1, 2010 at 4:57 pm

      Where is "Media Converter" in Firefox 3.5.7?

  9. sam
    February 23, 2009 at 6:00 am

    Nice Article. It was very helpful for me. I can increase my knowledge about website design and development blog.

  10. Jackson
    February 23, 2009 at 3:39 am

    Actually there is another hack not requiring any additional software except Quicktime Pro. Open the FLV file with Q Pro and from the Window menu click on Show Movie Properties. You can then extract the audio track and Export as a sound file.

    • tonixtonix
      February 11, 2010 at 12:40 pm

      This method worked the best, even using the free quicktime, not the pro version. thank you!

  11. Nicky
    February 22, 2009 at 9:26 pm

    I know this mac video converter can also extract audio from flv video to mp3 or aac on Mac, it works pretty well for me.
    macvideoconverter.mac-dvd.com

  12. sabina
    February 22, 2009 at 2:54 pm

    Add the word kick to your youtube URL link !
    kickyoutube...
    and extract whatever you want from the video !

    • tom
      June 18, 2009 at 8:44 pm

      thanks, this is the best method i've found

  13. Zachary
    February 22, 2009 at 12:31 pm

    ffmpeg -i [input flv] -acodec copy [output mp3/aac]

    • Diogo Cuba Guedes de Moraes
      June 25, 2009 at 10:08 pm

      Zachary, I understand this command must be used on Terminal but I don't how to use it. Would you mid to explain it?