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Convertopusm4r
We've already converted 813,522,715 files with a total size of 6,574 TB.

Opus to M4R

Online Convert OPUS to M4R Use OnlineConvert online. Free fast! No registration is required.

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How to convert OPUS to M4R?

Online OPUS to M4R, you can put the OPUS to M4R format on your computer, tablet or mobile phone without downloading any software!

Step 1

Upload OPUS file

Select files from your computer, Google Drive, Dropbox, URL or by dragging them on the page.
Step 2

Select 'M4R'

Select output M4R or any other format as the conversion result (click the Convert button)
Step 3

Download your OPUS file

After the conversion you can download your M4R file and upload it to Google Drive, Dropbox.

opus : Sound coding format

Opus is a sound encoding format, and Opus's predecessor was the celt encoder. Developed by the IETF for real-time voice transmission over the network, the standard format is RFC 6716.
OPUS Converter
How to convert online OPUS？

m4r : MPEG 4 Ringtones Audio

M4R - is a digital multimedia container format used to store audio in mono channel mode. This format is suitable for store ringtones and it is widely used by Apple iPhone for its ringtones. Needless to say that M4R and M4A formats shares many similar features.
M4R Converter
How to convert online M4R？

Convert opus to another format!

OPUS to MP3 OPUS to AAC OPUS to WAV OPUS to M4A OPUS to WMA OPUS to FLAC OPUS to OGG OPUS to AMR OPUS to AIFF OPUS to AC3 OPUS to M4R OPUS to DTS OPUS to SPX OPUS to CAF OPUS to TTA OPUS to PVF OPUS to PRC OPUS to MAUD OPUS to 8SVX OPUS to AMB OPUS to AU OPUS to SND OPUS to SNDR OPUS to SNDT OPUS to AVR OPUS to CDDA OPUS to CVS OPUS to CVSD OPUS to CVU OPUS to DVMS OPUS to VMS OPUS to FAP OPUS to PAF OPUS to FSSD OPUS to SOU OPUS to GSRT OPUS to GSM OPUS to HCOM OPUS to HTK OPUS to IMA OPUS to IRCAM OPUS to SLN OPUS to SPH OPUS to NIST OPUS to SMP OPUS to TXW OPUS to VOC OPUS to VOX OPUS to W64 OPUS to WV OPUS to WVE OPUS to SD2

Convert other formats to opus!

MP3 to OPUS WAV to OPUS 3GP to OPUS MP4 to OPUS OGG to OPUS M4A to OPUS AAC to OPUS FLAC to OPUS AMR to OPUS WEBM to OPUS ASF to OPUS AC3 to OPUS M4V to OPUS WVE to OPUS DTS to OPUS DSS to OPUS CAF to OPUS MOV to OPUS 3G2 to OPUS AAF to OPUS AV1 to OPUS AVCHD to OPUS AVI to OPUS CAVS to OPUS DIVX to OPUS DV to OPUS F4V to OPUS FLV to OPUS HEVC to OPUS M2TS to OPUS M2V to OPUS MKV to OPUS MOD to OPUS MPEG to OPUS MPEG-2 to OPUS MPG to OPUS MTS to OPUS MXF to OPUS OGV to OPUS RM to OPUS RMVB to OPUS SWF to OPUS TOD to OPUS TS to OPUS VOB to OPUS WMV to OPUS WTV to OPUS XVID to OPUS 8SVX to OPUS AIFF to OPUS AMB to OPUS APE to OPUS AU to OPUS AVR to OPUS CDDA to OPUS CVS to OPUS CVSD to OPUS CVU to OPUS DVMS to OPUS FAP to OPUS FSSD to OPUS GSM to OPUS GSRT to OPUS HCOM to OPUS HTK to OPUS IMA to OPUS IRCAM to OPUS M4R to OPUS MAUD to OPUS NIST to OPUS PAF to OPUS PRC to OPUS PVF to OPUS SD2 to OPUS SHN to OPUS SLN to OPUS SMP to OPUS SND to OPUS SNDR to OPUS SNDT to OPUS SOU to OPUS SPH to OPUS SPX to OPUS TAK to OPUS TTA to OPUS TXW to OPUS VMS to OPUS VOC to OPUS VOX to OPUS VQF to OPUS W64 to OPUS WMA to OPUS WV to OPUS XA to OPUS

Convert m4r to another format!

M4R to MP3 M4R to AAC M4R to M4A M4R to AIFF M4R to CAF M4R to OGG M4R to WAV M4R to AC3 M4R to FLAC M4R to AMR M4R to WMA M4R to DTS M4R to OPUS M4R to SPX M4R to TTA M4R to PVF M4R to PRC M4R to MAUD M4R to 8SVX M4R to AMB M4R to AU M4R to SND M4R to SNDR M4R to SNDT M4R to AVR M4R to CDDA M4R to CVS M4R to CVSD M4R to CVU M4R to DVMS M4R to VMS M4R to FAP M4R to PAF M4R to FSSD M4R to SOU M4R to GSRT M4R to GSM M4R to HCOM M4R to HTK M4R to IMA M4R to IRCAM M4R to SLN M4R to SPH M4R to NIST M4R to SMP M4R to TXW M4R to VOC M4R to VOX M4R to W64 M4R to WV M4R to WVE M4R to SD2

Convert other formats to m4r!

MP3 to M4R M4A to M4R FLAC to M4R MP4 to M4R AAC to M4R WMA to M4R 3G2 to M4R 3GP to M4R AAF to M4R ASF to M4R AV1 to M4R AVCHD to M4R AVI to M4R CAVS to M4R DIVX to M4R DV to M4R F4V to M4R FLV to M4R HEVC to M4R M2TS to M4R M2V to M4R M4V to M4R MKV to M4R MOD to M4R MOV to M4R MPEG to M4R MPEG-2 to M4R MPG to M4R MTS to M4R MXF to M4R OGV to M4R RM to M4R RMVB to M4R SWF to M4R TOD to M4R TS to M4R VOB to M4R WEBM to M4R WMV to M4R WTV to M4R XVID to M4R 8SVX to M4R AC3 to M4R AIFF to M4R AMB to M4R AMR to M4R APE to M4R AU to M4R AVR to M4R CAF to M4R CDDA to M4R CVS to M4R CVSD to M4R CVU to M4R DSS to M4R DTS to M4R DVMS to M4R FAP to M4R FSSD to M4R GSM to M4R GSRT to M4R HCOM to M4R HTK to M4R IMA to M4R IRCAM to M4R MAUD to M4R NIST to M4R OGG to M4R OPUS to M4R PAF to M4R PRC to M4R PVF to M4R SD2 to M4R SHN to M4R SLN to M4R SMP to M4R SND to M4R SNDR to M4R SNDT to M4R SOU to M4R SPH to M4R SPX to M4R TAK to M4R TTA to M4R TXW to M4R VMS to M4R VOC to M4R VOX to M4R VQF to M4R W64 to M4R WAV to M4R WV to M4R WVE to M4R XA to M4R

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