Convert2.co
Convert2.co
Free Online Converter

Convert AU to MP4 Online - Free & Easy

Fast, secure and completely free. No registration required.

AU
AU
MP4
MP4

Drop your AU file here

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Maximum file size: 100MB

About this conversion

Easily convert your AU audio files to MP4 video format with Convert2.co's powerful online tool. Whether you need to embed audio into a presentation, share a voice recording as a video, or create simple video content from audio snippets, our AU to MP4 converter offers a seamless solution. Enjoy high-quality output and a user-friendly interface, making it simple to transform your audio files into widely compatible MP4 videos. No software installation is required – just upload your AU file, select MP4 as the output, and let our converter do the rest. Ideal for content creators, educators, and anyone needing to repurpose audio content into a video format.

High-quality AU to MP4 conversion preserving audio integrity.
Supports various AU file types and ensures compatibility with MP4.
Fast processing speeds for quick video creation.
Intuitive and simple drag-and-drop interface for effortless use.
Secure and private conversion process, your files are deleted after processing.

📋 How to Convert AU to MP4

1

Upload

Select or drag your AU file to the converter

2

Convert

Click the convert button and wait a moment

Download

Get your converted MP4 file instantly

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Source format

AU

The AU format, often referred to as the 'NeXT/Sun Audio' format, is an uncompressed audio file format originally developed by Sun Microsystems. It typically stores raw audio data, often in a linear pulse-code modulation (PCM) encoding. While it's a simple and straightforward format for storing uncompressed audio, its lack of widespread adoption means it's not as universally compatible as other audio codecs. It's sometimes found in older Unix-based systems or specific audio editing software.

Target format

MP4

MP4 (MPEG-4 Part 14) is a multimedia container format widely used for storing video, audio, subtitles, and still images. It's known for its efficiency, offering good compression ratios while maintaining high visual and audio quality. MP4 files are highly compatible across a vast range of devices, operating systems, and media players, making them the de facto standard for digital media distribution online and on portable devices.

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Why Convert AU → MP4?

You might want to convert AU to MP4 for several compelling reasons, primarily related to compatibility and presentation. Since AU is primarily an audio format, converting it to MP4 allows you to embed that audio into a video context, which is essential for many platforms like social media, video-sharing sites, and presentation software. This enables you to share voice notes, podcasts, or audio recordings as easily viewable videos, complete with a visual element. Converting also ensures your audio content can be played on virtually any device that supports the ubiquitous MP4 format, avoiding playback issues associated with less common formats like AU.

AU vs MP4

The core difference between AU and MP4 lies in their purpose and complexity. AU is purely an audio format, typically storing uncompressed audio data, making it less efficient for storage and distribution. MP4, on the other hand, is a container format that can hold audio, video, and other data streams. It utilizes advanced compression techniques (like H.264 for video and AAC for audio) to achieve smaller file sizes with excellent quality. Therefore, while AU is simple for raw audio capture, MP4 is the superior choice for sharing, streaming, and playback across a wide array of devices due to its versatility, efficiency, and broad compatibility.

Frequently Asked Questions

How do I convert AU to MP4?

To convert AU to MP4, simply visit the Convert2.co AU to MP4 converter page. Click the 'Upload File' button or drag and drop your AU file into the designated area. Select MP4 as your desired output format, and then click the 'Convert' button. Once the conversion is complete, you can download your new MP4 file.

Is the AU to MP4 conversion free?

Yes, Convert2.co offers a completely free online service for converting AU to MP4 files. You can convert as many files as you need without any hidden charges or subscription fees.

What is the quality of MP4 output?

Our AU to MP4 converter aims to provide the highest possible quality for your output MP4 file. We process your audio faithfully and embed it into a standard MP4 container, ensuring clarity and compatibility.

Can I convert multiple AU files at once?

Currently, our AU to MP4 converter processes one file at a time to ensure optimal performance and quality for each conversion. You can easily convert multiple files sequentially by repeating the upload and conversion process.

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