Drop file here. 150 MB maximum file size.
An Opus file is an audio file created in Opus format (also known as " Ogg Opus &") that is an audio format with loss developed for Internet streaming. It uses both SILK (used by Skype) and CELT (from Xiph.Org) codecs and supports variable bit rates from 6 kb/s to 510 kb/s.
An M4A is an audio file stored in MPEG-4 encoded with either Advanced Audio Coding (AAC) or Apple Lossless Audio Codec (ALAC) formats. It stores different types of audio content, such as songs, podcasts and audio books.
Access powerful and secure free online OPUS tools to convert, view, edit, merge, split, and compare OPUS files β all without installing any software. Our tools support the .OPUS (Opus Audio File) file extension and run smoothly in any modern browser.
Select a tool below to explore features and manage your OPUS files directly from your device with ease.
Chose or drag & drop your OPUS file, click Convert to M4A, and download the M4A file. No registration needed.
Yes, all uploads are encrypted. Your files are auto-deleted after 24 hours.
Yes, our converter retains layout, fonts, and images as accurately as possible.
Fileproinfo converter engine works fast. You can convert OPUS to M4A in a few seconds to couple of minutes for large size files with complex structure.
FileProInfo support manay file formats that allow you to convert OPUS to 100s of file formats, without any limit, registration and downloading, 100% free and online OPUS converter.
All converters in this list are manually verified & 100% free and working properly, however you must use these apps according to their respective terms & conditions.
This tool and page updated at: 12-Apr-2025
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These are the most polular file/document converters based on the user's review and usage on the FileProInfo.