Convert AVI to OGV — Free Online Converter
Convert Audio Video Interleave (.avi) to Ogg Video (.ogv) online for free. Fast, secure video conversion with no watermarks or registration....
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Upload your .avi 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.
About AVI to OGV Conversion
AVI is a Windows-native container, while OGV (Ogg Video) is the open-source video format from the Xiph.Org Foundation, combining Theora video with Vorbis audio in an OGG container. OGV was the primary open-source alternative to Flash video during the early HTML5 era (2009–2015), supported natively in Firefox, Chrome, and Opera without plugin dependencies. While WebM (VP8/VP9) has largely superseded OGV for web video, Theora-based OGV remains important in free software ecosystems, Wikipedia media files, and educational platforms committed to patent-free formats.
Why Convert AVI to OGV?
OGV is the only completely patent-free video format — Theora's VP3 codec was released into the public domain by On2 Technologies. If your project requires zero patent liability (government, educational, or free software contexts), OGV is the safest choice. Wikipedia uses OGV/WebM exclusively for hosted video files. Some educational platforms and government websites mandate patent-free formats for legal compliance.
Common Use Cases
- Converting AVI files for upload to Wikipedia or Wikimedia Commons (which accept only OGV, WebM, and Opus)
- Creating patent-free video files for government websites with strict licensing requirements
- Preparing AVI content for educational platforms that mandate open-source formats
- Building video libraries for free software projects (GNOME, KDE) that avoid proprietary codecs
- Generating web-safe video from AVI for HTML5 <video> elements in patent-cautious environments
How It Works
FFmpeg decodes the AVI video and audio streams, re-encodes video to Theora using libtheora at the selected quality target (q1–q10, where q6 is roughly equivalent to H.264 at CRF 23–25) and audio to Vorbis using libvorbis. The output is wrapped in an OGG container (.ogv extension). Theora supports resolutions up to 1048560x1048560 theoretically, but practical use is limited to 720p due to encoding efficiency. Frame rate is preserved from the source.
Quality & Performance
Theora is a generation behind H.264 in compression efficiency — at the same bitrate, H.264 produces noticeably better quality. Theora at quality 6 is roughly comparable to H.264 at CRF 26–28. For acceptable quality at 720p, target 2–4 Mbps video bitrate. At 480p and below, Theora produces perfectly adequate results.
Device Compatibility
| Device | AVI | OGV |
|---|---|---|
| Windows PC | Native | Partial |
| macOS | Partial | Partial |
| iPhone/iPad | Partial | Partial |
| Android | Partial | Partial |
| Linux | Partial | Partial |
| Web Browser | No | No |
Recommended Settings by Platform
YouTube
Resolution: 1920x1080
Bitrate: 8-12 Mbps
H.264 recommended for fast processing
Resolution: 1080x1080
Bitrate: 3.5 Mbps
Square or 9:16 for Reels
TikTok
Resolution: 1080x1920
Bitrate: 4 Mbps
9:16 vertical, under 60s ideal
Twitter/X
Resolution: 1280x720
Bitrate: 5 Mbps
Under 140s, 512MB max
Resolution: 960x540
Bitrate: 2 Mbps
16MB limit for standard, 64MB for document
Discord
Resolution: 1280x720
Bitrate: 4 Mbps
8MB free, 50MB Nitro
Tips for Best Results
- 1Target 480p resolution for OGV — Theora's efficiency drops significantly above 720p, making files unnecessarily large without proportional quality gains.
- 2Use quality level 6–7 as your default for a reasonable balance of file size and visual quality.
- 3For Wikipedia uploads, ensure the file meets Wikimedia Commons requirements: OGV or WebM format, under 100 MB, no copyrighted content.
- 4Consider WebM (VP8/VP9) instead of OGV if your patent concerns allow Google's royalty-free license — it provides much better quality at the same file size.
Related Conversions
AVI to OGV conversion is the right choice when patent-free video is a requirement. While Theora cannot match H.264's efficiency, it provides legally unencumbered video suitable for Wikipedia, government, and free software contexts.