You may like to watch music videos on different online video streaming sites like YouTube and want to convert these videos to MP3 format so that you can save them on your portable devices and music players. There are many free online video converters available that can assist you in converting FLV videos or videos in other formats to MP3 formats in an easy manner.

1. Apeaksoft Free Online Video Converter

Free FLV to MP3 Converter for Mac is currently one of the best FLV to MP3 Mac Converter tool which can convert FLV videos to MP3, AAC and AC3 audios on Mac with super fast conversion speed. Aiseesoft FLV to MP3 Converter for Mac 6.2.58 is available as a free download on our software library. This software for Mac OS X was originally developed by Aiseesoft Studio. The program's installation file is commonly found as flv-to-mp3-converter.dmg. The latest installer occupies 26.4 MB on disk. The program is included in Audio & Video Tools. ‎A powerful video/audio converter, editor and player. This Free FLAC MP3 Converter helps you convert FLAC file to MP3 audio format with super fast converting speed. It can also convert TS, MTS, M2TS, TRP, TP, WMV, ASF, MKV, AVI, FLV, SWF, and F4V to MP4, MOV, M4V, and MP3, MP2 files. Thus it will be. Free MP3 Converter for Mac is not merely just any audio converter tool but it doubles as an audio extractor to extract audio from video. According to our test, it provides users with the opportunity to convert audio files between a variety of 50+ audio formats and 300+ video formats. Flv Crunch is a free and very easy-to-use audio and video converter for Apple's desktop operating system. The utility can convert between numerous files such as FLV, MPEG, MP3, AIFF and much more. Originally, the Flv Crunch application was designed to convert only FLV files (downloaded YouTube videos), but has grown into a universal media.

Apeaksoft Free Online Video Converter enables you to convert any video/audio to MP3/MP4/AVI/GIF/YouTube/Facebook freely and easily. It is compatible with all browsers and OS, it has a special function that allows you to extract audio from videos and save it as MP3 format.

Pros:

• This FLV to MP3 free online converter will help you convert any popular video/audio formats with high speed and quality.
• It’s specially developed to extract music from video files, like ripping MP3/AAC/AC3/WMA/WAV music from FLV or other videos.
• There is no limit to the file size and amount you add to this free online video converter.
• You can customize output settings like video encoder, video resolution, frame rate, video bitrate, audio encoder, sampling rate and more.
• Apeaksoft Free Online Video Converter also supports converting video to GIF.

Cons:

• It supports HD output, but not 4K.

2. Online-Convert.com

Online-convert can help you convert FLV file and other formats to MP3 or any other output format as you like. You can convert videos, audio and images on this website.

Pros:

• It’s easy to convert FLV to MP3 online with this free online converter within 3 steps.
• You can set output settings such as audio bitrate, sampling rate, audio channels as well as trim audio at your will.
• With this free FLV to MP3 online converter, you are allowed to download video from any site and copy the video url to do conversion.

Cons:

• Online-Convert.com has a file size limit of 100MB.
• There is an amount limit of 20 to the file you upload once a time.
• Once you start to upload the source file, there is no way to stop it if you change your mind and don’t want to upload it any more. You can only delete it after the source file is uploaded.

3. Convert.Files

Convert.Files also supports for FLV to MP3 conversion. You just need to choose a local file or download the source file from other websites, then indicate the input format and output format, click “Convert” button to finish the conversion. It supports both audio and video input files.

Pros:

• This FLV to MP3 online converter is totally free.
• It allows you to download videos from the internet.

Cons:

• There is ad in the page, so the interface of this online video converter is not so good-looking or clean.

4. FreeFileConvert

To convert FLV to MP3 for free, Free Online File Converter is also a good choice. As its name suggests, this online converter allows you to convert different kinds of files to various formats. It supports 16354 different conversion combinations, including video, audio, image, document, archive, presentation, ebook and font file types.

Pros:

• You can add a source file to this free FLV to MP3 online converter from local, Cloud or copy a video URL and convert it to any popular format as you like.
• It’s easy to convert FLV to MP3 with this online converter in three steps.

Cons:

• There is limit to the file amount and size. You cannot upload more than 5 files or the file uploaded cannot be larger than 300 MB.

5. Convert2MP3

Convert2mp3.net is the best YouTube FLV video to MP3 music converter, it allows you to convert and download your favorite videos from YouTube, Dailymotion and Clipfish in a format like MP3, MP4 and more. This free online video converter is more suitable for those who want to download and convert video from video streaming sites such as YouTube.

Pros:

• This free video conversion site allows you to convert videos from YouTube, Dailymotion or Clipfish. You can copy & paste the video link in the first box or enter the video title in the second box to search for the video directly.

Cons:

• This free online video converter is not so powerful than the four online converts mentioned above, as it specially supports for videos from YouTube, Dailymotion and Clipfish. If you want to convert local videos, you should not choose this one.

6. Aiseesoft Free Online Video Converter

Aiseesoft Free Online Video Converter is good-looking in interface and powerful in functions. Just install a launcher then you can start free video conversion online easily. Moreover, different from other free online video converter, Apowersoft allows you to customize video effects before conversion.

Pros:

• It’s totally free and easy to use.
• You can adjust video size, change video effects, add watermark and change video resolution to perfect your video before converting it to the format you want.
• It supports for 4K and 3D video.

Cons:

• When I tried this free online video converter, after I downloaded launcher and want to select files to start, it still asks me to download launcher. Finally this free online video convert works after around half an hour. So if you also meet such problem when trying this online converter, please be patient with it.

Generally speaking, to convert FLV video to MP3 format for free, all the 6 online video converters recommended above can achieve your purpose. But for further use in video conversion, Apeaksoft Free Online Video Converter can be your best choice, as there is no limit to the amount and size of the file you add online, and its functions are more powerful than the other five. By the way, except the unstable performance, Apowersoft Free Online Video Converter can also be a good choice, as it has editing effects and supports for 4K. In short, all the free online video converters are similar in functions, you just need to pick one from the recommendation list according to your demand.

Excellent

Rating: 4.8 / 5 (based on 61 ratings)

January 28, 2019 18:17 / Posted by Andrew Miller to Video Converter

• How to Convert FLV

  What is the best FLV Video Converter which can convert FLV to other video format easily and fast? I suggest you choose Aiseesoft FLV Video Converter.

• Easiest Way to Convert FLV to iPod/iPhone/PSP on Mac

  This tutorial tells you how to download flash videos from popular video sharing site and how to convert FLV files to all popular video and audio formats such as MP4, AVI, MPEG, etc. on Mac.

• How to Free Convert FLV to MP4

  How do you convert FLV to MP4? This guide will tell you how to free convert FLV to MP4 with RealPlayer, Zamzar, and Free FLV to MP4 Converter.

Can We Convert FLV to MP3 for Free?

Whether it is your audio file or your video file, you can convert any file into the desired format with the help of a successful video converter. You can find video converter for free and paid as well. It is always better to use the free software and experience before buying one. When your media player or device does not support the MP3 file format then you can use one of the free video converters to solve your problem. You can convert the FLV file into the MP3 format easily to play on your device or media file successfully.

Free FLV to MP3 Converter

#1. UniConverter

UniConverter has been the best converter since a long time and is the most commonly used program. It helps converting any kind of format into whatever format you like such as it can convert 2D into 3D, FLV into MP3/MP4 and much more. It supports almost the whole common formats and devices. You can convert your FLV files into MP3 faster than before.

UniConverter - Video Converter

• Support standard/HD video formats, such as AVI, MP4, MPG, MPEG, WMV, HEVC (h.265), 4K, MTS, TS, M2TS, etc.
• Convert your video at speeds that are 90 times faster than other converters.
• It can be used to convert audio as well.
• Directly download videos from online websites.
• Fully compatible with macOS 10.7 or later, including macOS 10.15 Catalina, 10.14 Mojave, 10.13 High Sierra.

#2. FLV to MP3 Converter

Ripping and converting videos for free can be done with the FLV to MP3 Converter. You can convert long videos into small clips and edit them however you like. Although it has a small interface yet it is simple and fast to use. In addition, it supports to convert the FLV file into other easily accessible formats.

Pros:

• Flash files can be converted in other formats too. High quality converted video.

Cons:

• Invites malware.

#3. Any Video Converter

This is completely free software that helps you convert your media files into the desired formats. It supports all formats and helps convert easily. Being one of the best free video converters it can easily convert your FLV files into the MP3 format for successful play on all media platforms.

Pros:

• Easily converts, has wide range of supported formats and amazing tools.

Cons:

• There is no high-speed converting option.

#4. Free Video to MP3 Converter

Free Video to MP3 Converter helps upload the video you want to convert and can easily give you the result you desire. You can convert your FLV file into the MP3 format with the help of this free video converter.

Pros:

• High quality converted videos, presets formats for various devices and other editing tools.

Cons:

• Displays 'remind me later' box which does not goes away.

#5. Freemake Video Converter

Freemake is a legit and safe video converter that converts videos for Mac and Windows too. It supports more than 300 formats online and offline as well. It supports DXVA and CUDA for quick video conversion and better results. It can burn DVDs too with free subtitles and much more.

Pros:

• It has got superior tools and converts video in an excellent quality. The interface of the video converter is easy to deal with.

Flv File Converter Mac

Cons:

• The DVD ripping feature is a bit slow.

Free Flv To Mp4 Converter Mac