How do I convert MP2 to AU?

Drop your MP2 file onto the converter above, make sure AU is selected, and click Convert. When it's done, download the AU file — it usually takes a few seconds.

Is it safe to convert MP2 to AU here?

Yes. MP2 to AU conversion happens entirely inside your browser using WebAssembly, so your file is never uploaded to any server.

Is the MP2 to AU converter free?

Yes — free with no watermark. Signed-out visitors can convert 25 files a day, and a free account raises that to 250.

Will converting MP2 to AU reduce quality?

No — AU preserves the content of your MP2 file as faithfully as the format allows.

Can I convert multiple MP2 files at once?

Yes. Add up to 5 files at a time without an account, 10 with a free account and up to 500 on paid plans, then download them individually or as a single ZIP.

Can I convert AU back to MP2?

Yes — use our AU to MP2 converter. Note that converting back and forth between formats can't recover detail lost to lossy compression.

AU→MP2 MP2→MP3 MP3→AU MP2→WAV MP4→AU MP2→M4A WAV→AU MP2→FLAC MOV→AU MP2→AAC M4A→AU MP2→OGG MP2→Opus MP2→WMA MP2→AIFF MP2→AMR MP2→M4B MP2→AC3 MP2→WEBA MP2→OGA MP2→MKA MP2→WV MP2→TTA WebM→AU FLAC→AU MKV→AU AAC→AU AVI→AU OGG→AU WMV→AU Opus→AU WMA→AU FLV→AU M4V→AU MPEG→AU 3GP→AU AIFF→AU AMR→AU MPG→AU TS→AU M4B→AU MTS→AU PNG→JPG JPG→PNG PNG→WebP JPG→WebP WebP→PNG WebP→JPG HEIC→PNG HEIC→JPG MP4→MP3 PNG→JPEG JPG→JPEG JPEG→PNG JPEG→JPG PNG→PDF JPG→PDF PDF→PNG PDF→JPG HEIC→WebP MP4→WebP PDF→DOCX DOCX→PDF JPEG→WebP WebP→JPEG PNG→GIF JPG→GIF GIF→PNG GIF→JPG MP4→MOV MOV→MP4 WebP→PDF HEIC→JPEG WebP→GIF GIF→WebP HEIC→PDF MP3→WAV WAV→MP3 JPEG→PDF PDF→JPEG SVG→PNG SVG→JPG HEIC→GIF MOV→MP3 MP4→GIF GIF→MP4 JPEG→GIF GIF→JPEG PNG→AVIF JPG→AVIF AVIF→PNG AVIF→JPG MP3→M4A M4A→MP3 GIF→PDF SVG→PDF PNG→SVG JPG→SVG PDF→SVG SVG→WebP MOV→WebP MP4→WAV MP4→WebM WebM→MP4 WebP→AVIF AVIF→WebP WebP→SVG SVG→JPEG MP4→MKV MKV→MP4 HEIC→AVIF MP4→M4A JPEG→AVIF AVIF→JPEG JPEG→SVG MOV→GIF GIF→MOV WebM→MP3 AVIF→PDF MP3→FLAC FLAC→MP3 MP4→AVI AVI→MP4 MKV→MP3 GIF→AVIF AVIF→GIF SVG→GIF GIF→SVG WebM→WebP MOV→WAV XLSX→PDF CSV→PDF EPUB→PDF PDF→EPUB MOV→WebM WebM→MOV MKV→WebP PNG→ICO JPG→ICO ICO→PNG ICO→JPG MP3→AAC WAV→M4A AAC→MP3 M4A→WAV MP4→FLAC AVI→MP3 MOV→MKV MKV→MOV MOV→M4A DOCX→EPUB EPUB→DOCX CSV→DOCX PDF→TXT DOC→PDF TXT→PDF WebP→ICO ICO→WebP PPTX→PDF AVI→WebP

MP2AU

Convert MP2 to AU

Free, fast and private. Your MP2 files are converted right in your browser — nothing is uploaded.

Runs in your browser
No watermark
Batch & ZIP download

How to convert MP2 to AU

1
Add your MP2 files
Drag and drop MP2 files onto the converter, paste them, or click to browse. You can add several at once.
2
Choose AU
AU is already selected. Open Options if you want to change quality, size or metadata.
3
Convert
Click Convert. Your files are converted right in your browser in seconds.
4
Download your AU
Download each AU file, or everything at once as a ZIP.

MP2 vs AU

From

MP2 · MPEG Audio Layer II

MP2 is MP3's predecessor, still used in broadcasting and DVD audio.

Type: Audio
Extension: .mp2
MIME: audio/mpeg
Best for: broadcast audio

Lossy compressionLegacy format

All MP2 conversions →

AU · Sun Audio

AU is a simple audio format introduced by Sun Microsystems, common on early Unix systems and Java.

Type: Audio
Extension: .au
MIME: audio/basic
Best for: legacy Unix and Java applications

Legacy format

All AU conversions →

Need it the other way around? Convert AU to MP2.

Related conversions

MP2 to AU: frequently asked questions

Free, private and in your browser

Convert MP2 to AU in seconds.

No sign-up, no watermarks, no waiting in line. Drop a file and get it back in the format you need.

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Most conversions never leave your device
Cloud files deleted automatically
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Convert MP2 to AU

How to convert MP2 to AU

Add your MP2 files

Choose AU

Convert

Download your AU