Drop file here. 150 MB maximum file size.
A compressed audio file similar to a .MP3 file, but offering several performance improvements; for example, higher encoding efficiency for transient and stationary signals, a simpler filter bank, and better frequency management at-above 16 kHz; maintains a quality that is almost identical to the original audio source.
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.
Access powerful and secure free online AAC tools to convert, view, edit, merge, split, and compare AAC files β all without installing any software. Our tools support the .AAC (Advanced Audio Coding File) file extension and run smoothly in any modern browser.
Select a tool below to explore features and manage your AAC files directly from your device with ease.
Chose or drag & drop your AAC file, click Convert to OPUS, and download the OPUS 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 AAC to OPUS 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 AAC to 100s of file formats, without any limit, registration and downloading, 100% free and online AAC 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
About FileProInfo: FileProInfo is a trusted platform dedicated to file formats and software programs. We provide accurate technical details, easy-to-use navigation, and advanced search capabilities to help users explore, manage, and convert file types efficiently.
Listed file converters are from the wide range of online file converter.
These are the most polular file/document converters based on the user's review and usage on the FileProInfo.