MP4 to MP3 Converter

Extract the audio from your MP4 files and convert it to MP3.

Drag & Drop MP4 File

Or click the button below to choose it from your PC. Max file size 2 GB.

Drop any file here

How to Convert MP4 Files to MP3?

Easily convert your MP4 into MP3 audio files in just three simple steps.

Why Choose Qooly MP4 to MP3 Converter?

Qooly MP4 to MP3 Converter is fast, free, and works directly in your browser with no limits.

Completely Free

Convert as many MP4 files to MP3 as you want, completely free of charge. No subscriptions, no hidden fees, no premium tiers - every feature is available to everyone, at no cost, for as long as you need it.

Browser-Based

Everything happens directly inside your browser, with no software to download or install. Simply open the tool, upload your file, and convert it - no desktop apps, no plugins, and nothing extra required.

Easy to Use

A clean, intuitive interface makes converting MP4 to MP3 effortless, even if you have absolutely no technical experience at all. Just upload your video, click convert, and download your finished MP3 file now.

Unlimited Conversions

There are no limits on how many files you can convert with Qooly's free tool. Whether you need to convert just one video or hundreds of them, you can process as many MP4 files as you like, with no restrictions.

What is MP4 to MP3 Converter?

MP4 to MP3 Converter is a free online tool by Qooly that lets you extract the audio track from any MP4 video file and save it as a standalone MP3 file. MP4 is one of the most common video formats, but sometimes you only need the sound - not the visuals. Whether it's a song from a music video, an interview, a lecture recording, or the audio from a tutorial you want to listen to on the go, this tool lets you pull out just the audio in a clean, ready-to-use MP3 format. The conversion process is simple: upload your MP4 file, let the tool process it, and download your finished MP3 in moments. There's no need to install desktop software, create an account, or navigate complicated settings - everything happens directly in your browser, making it accessible on any device, whether you're using Windows, macOS, or even a Chromebook. MP4 to MP3 Converter preserves the original audio quality of your video, so the resulting MP3 sounds just as clear as the source. It also works with no limits on the number of files you can convert, meaning you can process one video or dozens without worrying about caps. The tool is completely free, with no subscriptions, hidden fees, or premium tiers standing in your way. If you're saving lecture audio for later review, extracting a song from a video, or simply want a smaller, audio-only version of a file, MP4 to MP3 Converter offers a fast, reliable way to get exactly the audio you need.

What is an MP4 file?

MP4 (MPEG-4 Part 14) is one of the most widely used video file formats today. It can store video, audio, and subtitles all within a single file, which is why it's the default format for smartphone recordings, streaming platforms, downloaded movies, and online courses. MP4 files offer a good balance between video quality and file size, thanks to efficient compression that keeps files small without sacrificing too much visual detail. Because of its broad compatibility, MP4 plays smoothly on virtually any device, browser, or media player, making it the go-to choice for sharing video content online.

What is an MP3 file?

MP3 (MPEG-1 Audio Layer 3) is one of the most popular audio file formats in the world, known for compressing sound into small file sizes while preserving good listening quality. Unlike video formats, MP3 files contain audio only, making them ideal for music, podcasts, audiobooks, and lecture recordings. Because MP3 has been around for decades, it's supported by virtually every device, app, and media player available today, from smartphones and computers to car stereos. Its small file size and universal compatibility make MP3 the standard choice for sharing audio content.

Frequently Asked Questions

Learn more about how the MP4 to MP3 Converter works and why users choose it.

Will converting MP4 to MP3 reduce the audio quality?

No, the converter is designed to preserve the original audio quality of your video as closely as possible during the extraction process. Since MP3 itself is a compressed format, there's a small amount of natural compression involved - this is true of any MP3 file, regardless of how it was created - but the difference is barely noticeable to most listeners, especially for everyday content like speech, music, podcasts, or lecture recordings. In practice, the converted MP3 sounds essentially identical to the audio track in the original MP4 video.

Is the MP4 to MP3 Converter really free to use?

Yes, it's completely free, with no catch. There are no subscriptions to sign up for, no hidden fees buried in the fine print, and no premium tiers that unlock "extra" features behind a paywall. Every part of the conversion process - from uploading your file to downloading the finished MP3 - is available to everyone at no cost whatsoever, and there's no limit on how many times you can use the tool, whether that's once a year or several times a day.

Do I need to install any software to use this tool?

No, the entire conversion process happens directly inside your web browser, which means there's nothing extra to download or set up on your device. You don't need separate desktop software, browser extensions, or plugins of any kind - you simply open the tool in your browser, upload your MP4 file, wait a moment while it processes, and download your finished MP3. This also means the tool works the same way regardless of which operating system you're using.

Is there a limit on file size or the number of conversions?

There's no limit on how many files you can convert using our tool - you're free to convert a single short clip or process dozens of videos back to back, one after another, without running into caps, daily quotas, or usage restrictions of any kind. We built the converter this way intentionally, so that people with frequent or bulk conversion needs aren't penalized or forced to pay for something that should be freely accessible.

Does Qooly store my uploaded videos or converted MP3 files?

No, your files are never stored on our servers, and we have no access to them at any point during or after the conversion process. We've designed the tool specifically with privacy in mind - there's no record kept of which videos you've converted, no history log tied to your activity, and no copies of your files retained anywhere on our end. Once your MP3 is downloaded to your device, that's the only place it exists.

Can I convert multiple MP4 files into MP3 at the same time?

Currently, the converter processes one MP4 file at a time to ensure the best quality and speed for each conversion. If you have several videos to convert, you can simply upload and convert them one after another - there's no limit on how many you can do in a row, so you can work through a whole batch quickly without any restrictions.