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File converter / Audio / Convert to AAC / OPUS converter / AAC to OPUS

Convert AAC to OPUS

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Choose file to convert to .opus
or drag and drop file

You can convert AAC file to OPUS as well as to variety of other formats with free online converter.

How to convert aac to opus?

How to convert opus to aac?
Step 1

Upload aac-file

Select aac file, which you want to convert, from your computer, Google Drive, Dropbox or drag and drop it on the page.
Step 2

Convert aac to opus

Select opus or any other format, which you want to convert.
Step 3

Download your opus-file

Wait till your conversion process will be completed and click download converted opus file.

Online and free aac to opus converter

Fast and easy
Just drop your aac files on the page to convert opus or you can convert it to more than 250 different file formats without registration, giving an email or watermark.
Don't worry about security
We delete uploaded aac files instantly and converted opus files after 24 hours. All files transfer with secured an advanced level of SSL encryption.
All in the cloud
You don't need to install any software. All aac to opus conversions make in the cloud and don't use any resources of your computer.

Advanced Audio Coding

File extension .aac
File category audio
Description

A proprietary format with lossy compression, which have been created as an alternative for MP3 with a higher quality of coding. Overtones out of human perception are being removed. AAC is two times less than MP3, which means 1/10 of CD digital data.

The format has being widely used since 1997 as the seventh release of MPEG-2 family. As it is supplied by hardware players, the format is highly demanded by music fans. It has been widely spread in Apple production and is being used by default in iTunes.

Technical details

The format conception is similar to MP3, but it is more advanced. Being able to execute larger compression, it is represented as a separate segment of MPEG-4 standard which is used for creation of compact audio files. AAC is highly efficient with variable and continuous bitrate, with sampling frequency of 8-96 KHz.

The current version complies with the standard of ISO/IEC 14496-3. Compression is performed on the basis of auditory masking effect that provides with data reduction with no deterioration for sound quality.

Programs
Microsoft Windows Media Player
VLC media player
MPlayer
Foobar2000
Winamp
Apple iTunes
Audacity
Developer Bell Labs, Dolby Laboratories, Sony, Nokia, Coding Technologies
MIME type
audio/aac
audio/aacp
audio/3gpp
audio/3gpp2
audio/mp4
audio/mp4a-latm
audio/mpeg4-generic
audio/x-aac
audio/x-m4a
audio/x-m4p
audio/x-m4b
audio/mp4a
audio/mpga

Opus Audio File

File extension .opus
File category audio
Description

The IETF community has created the format for online broadcasting and is being used for lossy compression of audio data. It provides excellent quality of sound and a perfect compression level due to dynamically adjusted streaming technology. Being an essential audio codec of Skype, OPUS is based on the Skype message-transfer algorithms. As a container, they use .ogg extension.

Technical details

The format uses CELT and SILK codecs, which allow easy change of bitrate within the range of 6-510 Kbit/s. That is why it has gained prevalence in video chats and video conferences, as well as IP translations.

Developer IETF
MIME type
audio/opus
audio/ogg

FAQ

❓ How can I convert aac to opus?
Firstly, select a aac file you want to convert or drag and drop it. Secondly, select opus or any other format you want to convert your file to. Then click convert and wait until your file is converted
⏳ How long should I wait to convert aac to opus?
Audio conversion usually takes a few seconds. You will convert aac to opus very quickly.
🛡️ Is it secure to convert aac to opus on OnlineConvertFree?
Sure! We delete your uploaded and converted files, so nobody has access to your information. All types of conversion on OnlineConvertFree (including aac to opus) is 100% safe.
📱 Can I convert aac to opus without software installation?
Absolutely! OnlineConvertFree doesn’t require installation. You can convert any files (including aac to opus) online on your computer or mobile.