Convert MP4 to AAC Online — Free & Fast | AnyConv

MP4 to AAC Converter

Quickly convert multiple mp4 files to aac — free & online.

Drag & drop your files here or click to upload

How to convert MP4 to AAC online

Follow these simple steps to convert mp4 files to aac using AnyConv. It works on all devices — Windows, Mac, Linux, iPhone, Android.

Upload your MP4 file

Drag & drop your file into the upload area. You can also click to select it manually. Max file size: 100 MB.

Start converting

Hit the “Convert” button to turn your MP4 into AAC. The process usually takes just a few seconds.

Download your AAC

Once ready, download your converted file instantly. The download link is private and only works on your device.

What is a MP4 file?

MP4 (MPEG-4 Part 14) is one of the most widely used video container formats in the world. It supports high-quality video and audio, subtitles, and still images in a compact file size.

MP4 is ideal for streaming, downloading, and sharing content across nearly all devices and platforms, making it a universal standard for video.

How to open MP4 files

MP4 is universally supported by nearly every media player, browser, and mobile device. It works on Windows, macOS, iOS, Android, and Linux without the need for additional codecs.

Use AnyConv to convert MP4 to other formats like AVI, MOV, or MKV depending on your needs.

Key facts about MP4

  • Full name: MPEG-4 Part 14
  • Extension: .mp4
  • MIME type: video/mp4
  • Developed by: ISO/IEC
  • Initial release: 2001

Useful links and resources

What is a AAC file?

AAC, or Advanced Audio Coding, is a widely used audio format known for delivering high-quality sound at relatively low bitrates. Developed as the successor to MP3, it became popular for streaming and digital distribution thanks to its efficient compression algorithms and broad device support.

AAC is the default format for Apple’s iTunes, iOS devices, and YouTube audio. It supports multi-channel audio, a wide frequency range, and features like perceptual noise shaping, making it a favorite for music, podcasts, and even broadcasting.

How to open AAC files

You can open AAC files with most modern media players like VLC, iTunes, Windows Media Player, and QuickTime. They’re also supported on smartphones and tablets without any additional software.

If you need to convert AAC to MP3 or another format, AnyConv provides an easy online tool for quick conversion.

Key facts about AAC

  • Full name: Advanced Audio Coding
  • Extension: .aac
  • MIME type: audio/aac
  • Developed by: Fraunhofer, Dolby, Sony, AT&T
  • Initial release: 1997

Useful links and resources

Convert to AAC

Want to get a file in AAC format? Choose the original format you’re starting with — AnyConv can quickly convert dozens of file types into AAC.

❓ Frequently Asked Questions

Answers to common questions about converting MP4 to AAC
  • Do I need to register to convert MP4 files?
    Not at all! You can convert MP4 to AAC without signing up or installing anything.
  • Is it safe to convert MP4 to AAC on AnyConv?
    Absolutely. All MP4 and AAC files are securely handled and automatically deleted after 1 hour. Nobody can access your data.
  • Will the quality change after converting MP4 to AAC?
    We do our best to preserve the original quality during MP4 to AAC conversion. The result is accurate and clean.
  • How long does it take to convert MP4 to AAC?
    Most conversions from MP4 to AAC take just a few seconds — even for larger files.
  • Can I upload more than one MP4 file?
    Yes, batch conversion is supported. You can convert multiple MP4 files to AAC at once — fast and easy.
  • What browsers support MP4 to AAC conversion?
    All modern browsers! Chrome, Firefox, Safari, Edge — AnyConv runs online and supports converting MP4 to AAC on any platform.
MP4 to AAC – User Rating
4.8 (871 votes)
Please convert and download a file before leaving a rating.