Convert Audio Video Interleave (.avi) to Kindle Video (.kindle-video) online for free. Fast, secure video conversion with no watermarks or registration.
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 .mp4 file when it's ready.
Amazon's Kindle Fire tablets support a specific subset of video formats — H.264 in MP4 container with AAC audio is the primary supported configuration. AVI files using DivX, XviD, or MJPEG codecs will not play on Kindle Fire's media player. Converting AVI to Kindle Video re-encodes the content to match Amazon's hardware decoding requirements, producing an MP4 that plays smoothly in the native video player on all Kindle Fire generations, from the original 2011 model to the latest Fire HD and Fire Max tablets.
Kindle Fire tablets use a customized Android build (Fire OS) with a more restricted media framework than stock Android. While sideloading VLC is possible, many corporate and educational deployments lock down app installation. Converting to Kindle Video format ensures native playback through the built-in video player, proper integration with Amazon's content library, and hardware-accelerated decoding for good battery life.
FFmpeg transcodes the AVI to H.264 Baseline Profile (Level 3.0 for first-gen Kindle Fire, Main Profile for Fire HD 8+) with AAC-LC audio at 128 kbps. Resolution is optimized for Kindle Fire screen sizes — 1024x600 for 7-inch models, 1280x800 for Fire HD 8, 1920x1200 for Fire HD 10. Video bitrate ranges from 1.5 Mbps (SD) to 5 Mbps (Full HD). The moov atom is moved to the front for immediate playback from SD card or internal storage.
Kindle Fire screens range from 1024x600 to 1920x1200, so even moderate bitrates produce clean results. H.264 at 2–3 Mbps is sufficient for the 7-inch model, while 4–5 Mbps is ideal for Fire HD 10. The visual quality will typically match or exceed the original AVI if the source used legacy codecs.
| Device | AVI | Kindle Video |
|---|---|---|
| Windows PC | Native | Partial |
| macOS | Partial | Partial |
| iPhone/iPad | Partial | Partial |
| Android | Partial | Partial |
| Linux | Partial | Partial |
| Web Browser | No |
Resolution: 1920x1080
Bitrate: 8-12 Mbps
H.264 recommended for fast processing
Resolution: 1080x1080
Bitrate: 3.5 Mbps
Square or 9:16 for Reels
Resolution: 1080x1920
Bitrate: 4 Mbps
9:16 vertical, under 60s ideal
Resolution: 1280x720
Bitrate: 5 Mbps
Under 140s, 512MB max
Resolution: 960x540
Bitrate: 2 Mbps
16MB limit for standard, 64MB for document
Resolution: 1280x720
Bitrate: 4 Mbps
8MB free, 50MB Nitro
AVI to Kindle Video conversion produces an optimized MP4 that plays natively on all Kindle Fire tablets. The result integrates seamlessly with Fire OS and provides smooth, battery-efficient playback.
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Works Everywhere
| No |
Any browser, any device
| Feature | AVI | Kindle Video |
|---|---|---|
| Full Name | Audio Video Interleave | Amazon Kindle Fire Video |
| Extension | .avi | .mp4 |
| Best For | Windows native | Kindle Fire optimized |