Convert Advanced Audio Coding (.aac) to Ogg Video (.ogv) online for free. Fast, secure audio conversion with no watermarks or registration.
Upload your .aac file by dragging it into the upload area or clicking to browse.
Choose your output settings. The default settings work great for most files.
Click Convert and download your .ogv file when it's ready.
AAC is a pure audio codec, while OGV (Ogg Video) is the Xiph.org multimedia container designed for Theora video and Vorbis audio. Converting AAC to OGV creates an OGV file containing audio, optionally with a blank video track. This conversion serves the open-web video ecosystem where OGV was the go-to format before WebM gained dominance, and is still used for Wikipedia video, some educational platforms, and open-source media archives.
Some open-source platforms, educational wikis (Wikimedia Commons), and web archives require OGV format for all multimedia uploads. If you have audio content that needs to be part of an OGV-only media library, this conversion wraps your AAC audio (transcoded to Vorbis) in the OGV container. It is also used when creating audio+video packages for systems that exclusively support the OGG/OGV ecosystem.
FFmpeg decodes the AAC stream, transcodes the audio to Vorbis (the audio codec native to OGV), and optionally adds a Theora-encoded video track (blank or static image). The output uses the OGG container with the .ogv extension. Vorbis encoding at quality 5 (~160 kbps) is typical for good quality audio within OGV.
The audio is transcoded from AAC (lossy) to Vorbis (lossy), introducing one generation of compression artifacts. At Vorbis quality 5 or higher, the difference from the AAC source is inaudible for most listeners. The video track (if blank) adds negligible overhead.
| Device | AAC | OGV |
|---|---|---|
| Windows PC | Partial | Partial |
| macOS | Native | Partial |
| iPhone/iPad | Native | Partial |
| Android | Partial | Partial |
| Linux | Partial | Partial |
| Web Browser | No |
Resolution: N/A
Bitrate: 320 kbps
OGG Vorbis preferred
Resolution: N/A
Bitrate: 256 kbps
AAC format required
Resolution: N/A
Bitrate: 128 kbps
Lossless FLAC/WAV for best quality
Resolution: N/A
Bitrate: 128 kbps
MP3 mono for spoken word
AAC to OGV is a niche conversion for open-source media platforms and patent-free web publishing. The audio quality remains excellent through the Vorbis transcoding step.
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| No |
| Funktion | AAC | OGV |
|---|---|---|
| Fullstandigt namn | Advanced Audio Coding | Ogg Video |
| Filandelse | .aac | .ogv |
| Bast for | Superior to MP3 | Open source |