How do I convert RM to AU?

Drop your RM 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 RM to AU here?

Yes. Your file is sent over an encrypted connection to an isolated sandbox that's created for your job only, then both the original and the result are deleted automatically.

Is the RM to AU converter free?

Yes. Cloud conversions like this one use credits, and you get free credits every day (3 without an account, 10 with a free account).

Will converting RM to AU reduce quality?

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

Can I convert multiple RM 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.

RM→MP4 MP3→AU RM→MP3 MP4→AU RM→WebP WAV→AU RM→MOV MOV→AU RM→GIF M4A→AU RM→WAV WebM→AU RM→WebM RM→MKV RM→M4A RM→AVI RM→FLAC RM→AAC RM→OGG RM→WMV RM→Opus RM→FLV RM→M4V RM→MPEG RM→3GP RM→WMA RM→MPG RM→TS RM→AIFF RM→AMR 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

RMAU

Convert RM to AU

Free and secure. RM files are converted in an isolated cloud sandbox and deleted automatically.

Isolated cloud sandbox
No watermark
Batch & ZIP download

How to convert RM to AU

1
Add your RM files
Drag and drop RM 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. Files are processed in a secure cloud sandbox and are usually ready in seconds.
4
Download your AU
Download each AU file, or everything at once as a ZIP.

RM vs AU

From

RM · RealMedia

RealMedia was RealNetworks' streaming format in the early internet era.

Type: Video
Extension: .rm
MIME: application/vnd.rn-realmedia
Best for: archived streaming video from the late 1990s

Legacy formatProprietary

All RM 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 →

RM to AU: frequently asked questions

Free, private and in your browser

Convert RM 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.

Convert a file Explore the API

Most conversions never leave your device
Cloud files deleted automatically
No watermarks

Convert RM to AU

How to convert RM to AU

Add your RM files

Choose AU

Convert

Download your AU

RM vs AU

RM · RealMedia

AU · Sun Audio

Related conversions

Convert RM to other formats

Convert other formats to AU

RM to AU: frequently asked questions

Convert RM to AU in seconds.