Skip to main content

Free AU to MP4 Converter Online

Convert AU files to MP4 quickly and easily online. Upload files up to 2GB and download your converted files in just a few clicks.

Drag & drop your files

JPEG, PNG, PDF, and other formats, up to 2GB

Privacy Files stay private.

Privacy Automatically deleted after 24 hours.

Privacy 2GB upload limit.

4.8/5

Trusted for 1,794,705+ conversions

HOW IT WORKS

Convert AU to MP4 in three steps

Three steps, no account, nothing to install.

01

Upload AU files

Drag and drop or upload AU files you want to convert to MP4.

02

Convert to MP4

Select MP4 as the output format and start the conversion.

03

Download

Download each MP4 as it finishes, or grab everything as one zip. You can also share a link.

AU

AU files are audio files used for storing digital sound data, commonly found in UNIX systems and early sound applications. They can hold various audio formats, making them versatile for audio playback and manipulation. With robust sound quality and compatibility, AU files are ideal for developers and audio engineers looking to create or handle sound recordings.

MP4

MP4, or MPEG-4 Part 14, is a digital multimedia format used to store video, audio, subtitles, and images. Its versatility and compatibility across devices make it a preferred choice for video streaming and file sharing. MP4 offers excellent compression for high-quality playback, making it ideal for online content, mobile use, and professional video editing. Optimize your digital media experience with the MP4 format.

USE CASES

Use Cases for AU to MP4

Here are day to day use cases of AU to MP4

logo

Convert audio recordings to video for social media

Social media platforms like Instagram, TikTok, and YouTube prioritize video content. Converting AU files from voice memos or interviews to MP4 format allows you to create engaging posts with static images or simple animations, increasing reach and engagement compared to audio-only uploads.

logo

Prepare podcast audio for YouTube channel

Expanding your podcast's audience often requires a YouTube presence. Converting AU podcast recordings to MP4 lets you create simple videos with cover art or waveform animations, making your content discoverable on the world's second-largest search engine and tapping into visual platform audiences.

logo

Convert voice notes to shareable video files

AU files from smartphone voice recorders aren't universally compatible. Converting them to MP4 creates a standardized format that can be easily shared via messaging apps, email, or cloud storage, ensuring recipients can play the files without specialized audio software.

logo

Transform interview recordings for video presentations

Journalists, researchers, and HR professionals often record interviews in AU format. Converting these to MP4 allows integration into video presentations, training materials, or documentary projects using editing software that requires video file inputs.

logo

Make music demos compatible with video editing software

Musicians and producers working in DAWs often export in AU format. Converting to MP4 makes these tracks ready for sync with video footage in editing platforms like Premiere Pro or Final Cut Pro, essential for creating music videos, film scores, or commercial compositions.

logo

Convert lecture recordings to video for online courses

Educators and students recording lectures in AU format can convert them to MP4 to create proper course videos. This format works seamlessly with Learning Management Systems (LMS) like Moodle or Canvas and provides better accessibility when combined with slides or speaker video.

logo

Transform audio book chapters into video format

Audiobook narrators working with AU files can convert them to MP4 to distribute on video platforms. Adding simple cover art or text animations creates a more engaging experience and allows publication on YouTube, where many users discover audiobook content.

logo

Prepare sound effects for video game development

Game developers working with AU format sound effects can convert them to MP4 for integration into game engines and video previews. This standardized format ensures compatibility across different development environments and makes asset management more streamlined.

logo

Convert meeting recordings for archival and sharing

Business meetings recorded in AU format can be converted to MP4 for better long-term preservation and distribution. The universal MP4 format ensures that meeting records remain accessible as software changes and makes them easier to share with stakeholders who may not have specialized audio players.

logo

Transform field recordings for documentary editing

Documentary filmmakers and sound designers often capture ambient sounds and interviews in AU format. Converting these to MP4 prepares them for integration with video footage in editing timelines, maintaining audio quality while ensuring smooth workflow compatibility.

logo

Convert meditation audio to video for apps and platforms

Wellness creators recording guided meditations in AU can convert them to MP4 to create videos with calming visuals. This format works better for meditation apps, YouTube channels, and wellness platforms where viewers expect both auditory and visual relaxation elements.

MORE AU TOOLS

Explore our other audio operations

AU files are audio files used for storing digital sound data, commonly found in UNIX systems and early sound applications. They can hold various audio formats, making them versatile for audio playback and manipulation. With robust sound quality and compatibility, AU files are ideal for developers and audio engineers looking to create or handle sound recordings.

Explore all tools

1.8M+

Files converted

and counting

4.8

Average rating

from our users

~4s

Avg. conversion

per file

0

Files kept

Auto-delete in 24h

WHY DRAGDROPDO

Built to be quick, safe, and free

dragdropdo offers seamless flexibility for managing files of any type. Whether it's PDFs, images, or zipped folders, we've got you covered.

Private by default

Files stay encrypted in transit and are automatically removed after 24 hours.

No install required

Run everything in the browser — no desktop app, no sign-up wall to start.

Cloud import

Pull files from Google Drive and keep working without local downloads first.

Share & download

Grab a zip or share a link / QR so teammates can pick up results on any device.

FAQ

Frequently Asked Questions

Answers to frequently asked questions about dragdropdo's AU to MP4 Converter.