View OMA Files Online
About OMA Files
An .oma file is an audio file saved in the Sony OpenMG Audio format, which Sony's SonicStage software and portable music players used. OMA files store compressed audio data, typically encoded with Sony's Adaptive Transform Acoustic Coding (ATRAC) codec, though they may also contain MP3 or WMA audio. Many OMA files were copy-protected using Sony's OpenMG DRM system, which restricted playback to authorized devices or computers.
Sony introduced the OMA format in the early 2000s as part of its effort to build an end-to-end ecosystem for music playback and distribution. People primarily used the format with Sony's NetMD, Hi-MD, and early Walkman devices. While Sony has discontinued the format, some media players and conversion tools still support OMA playback and conversion, including FileHelper.com. You can open and play .oma files on FileHelper.com by dragging them to this page.
Converting OMA Files
You can convert .oma files to more common formats to improve compatibility:
- Converting to MP3: Allows playback on most modern devices and software, but introduces some quality loss due to lossy compression.
- Converting to AAC: Produces smaller files than WAV while maintaining high audio quality, making it a good choice for use on Apple devices, streaming, or modern media players.
About FileHelper.com
FileHelper.com is a free web-based file utility that can open Sony OpenMG Music files and over 150 other file formats directly in your web browser. It displays file properties, including metadata, and image EXIF data, along with information about the corresponding file type. FileHelper.com can also view and convert images to several common formats. Have an unknown file or a file without an extension? No problem — FileHelper.com can identify over 15,000 file types.