Use our MP4 to MP3 converter for free to convert your YouTube videos to audio files in seconds! No software needed! No compromise with your file quality!

Effortless Image Conversion for Designers
Easily convert between image formats like JPG, PNG, and TIFF to meet design requirements. Perfect for creating web, print, and presentation-ready visuals in minutes.
Convert Videos for Seamless Sharing
Quickly convert videos into more manageable formats for easy sharing or uploading, without compromising quality. Perfect for content creators and marketers who need to share or upload videos efficiently.

Simple Steps to Convert Your Files Effortlessly
Drag and drop your file, or click to upload from your device.
Select the output format from our wide range of options.
Click convert, then download your newly formatted file in seconds.
Easily convert videos to shareable formats without sacrificing quality – safe, fast, and browser-based.
MPEG-4 Part 14 is known as MP4. It is a video format that includes video, audio, images, and even subtitles in one compact file. It’s the go-to format for all your media across different platforms. MP4 is designed for high quality and small size. That’s why it’s the standard for streaming, sharing, and storing videos across the web.
The full form of MP3 is MPEG Audio Layer 3. MP3 is a digital audio format that compresses sound without killing its quality—clear, compact, and ready to play anywhere.
There is no compromise with the quality of your file when you're using ConvertOption. Your audio will have the same quality as it had in your video file. However, you can adjust the volume of the converted MP3 file from settings.
Yes, of course. You can use ConvertOption MP4 to MP3 online converter on your mobile and tablet devices. You just need an internet connection and that's it.
To convert MP4 to MP3 online you can simply use ConvertOption. Upload your youtube video file or any other MP4 file and click convert all. It will just take seconds. And you are ready to download MP3 audio file(s).
Of course. You can use ConvertOption to convert your MP4 video files to MP3 format on Windows absolutely free of cost.
Yes! You can convert MP4 to MP3 online free on your Mac machine whenever and wherever you want to.
Length of a YouTube video, its FPS and other settings decide the file size. We have flexible file size limits to fit your needs while converting! Free users can upload up to 100 MB per file, while paid plans unlock unlimited uploads of any size. Explore our Pricing page to see what fits you best!
There are many MP4 to MP3 converters available. However, the best online MP4 to MP3 video converter is ConvertOption. It is free, fast, safe and reliable.
It literally takes just seconds to convert an MP4 video file to MP3 audio file with ConvertOption free converter.
You need to convert and download at least 1 file to provide feedback!
Try Convert Option for Free
Start your 7-day free trial and get unlimited access to all ConvertOption tools to convert, compress, OCR, web apps and more.
