Convert AVI to FLV
Fast, free, and secure AVI to FLV conversion. No registration required.
Fast, free, and secure AVI to FLV conversion. No registration required.
Drag & drop your file here
or click to browse
High Quality
Maintain maximum quality during conversion
Fast Processing
Convert files in seconds with our optimized engine
Secure & Private
Files automatically deleted after conversion
How to Convert AVI to FLV
Upload AVI File
Click the "Select File" button to upload your avi file from your device.
Start Conversion
Click the "Convert" button to instantly start converting to FLV.
Download FLV
Download your converted flv file immediately after processing.
Why Convert AVI to FLV?
Converting from AVI Video to FLV Video (Flash Video) is useful when you need compact file sizes. AVI Video has limitations: large file sizes compared to mp4. FLV Video (Flash Video) addresses this by offering compact file sizes and quick to decode. FLV (Flash Video) was once the dominant video format for web streaming, used by YouTube, Hulu, and most video websites in the Flash Player era.
Xonvert uses professional-grade conversion tools to ensure the highest possible quality when converting AVI Video to FLV Video (Flash Video). The output is optimized for the target format's strengths.
AVI vs FLV — Technical Comparison
| Feature | AVI | FLV |
|---|---|---|
| Container | RIFF-based | Flash Video |
| Video Codecs | DivX, Xvid, H.264, MJPEG | Sorenson Spark, VP6, H.264 |
| Audio Codecs | MP3, PCM, AC3 | MP3, AAC, Speex |
| Max Resolution | Unlimited (codec-dependent) | — |
| Streaming | Not supported natively | — |
| Status | — | Deprecated (Flash EOL 2020) |
| Successor | — | MP4 with H.264 |
About AVI Video
AVI (Audio Video Interleave) is one of the oldest video container formats, introduced by Microsoft in 1992. While largely superseded by MP4 and MKV for modern use, AVI remains common in legacy systems and offers wide compatibility with older software and devices.
Strengths
- ✓ Wide compatibility with older devices and editors
- ✓ Simple structure easy to process
- ✓ Can contain uncompressed video
- ✓ Broad codec support
Limitations
- • Large file sizes compared to MP4
- • Limited subtitle and metadata support
- • No native streaming support
- • Outdated format for modern workflows
Developed by Microsoft (1992)
About FLV Video (Flash Video)
FLV (Flash Video) was once the dominant video format for web streaming, used by YouTube, Hulu, and most video websites in the Flash Player era. While Flash has been discontinued, many legacy video files remain in FLV format and need conversion to modern formats like MP4.
Strengths
- ✓ Compact file sizes
- ✓ Quick to decode
- ✓ Still common in legacy content
- ✓ Wide conversion tool support
Limitations
- • Flash Player discontinued in 2020
- • No modern browser support
- • Limited audio/video codec options
- • No future development or updates
Developed by Macromedia/Adobe (2002)
AVI to FLV — Frequently Asked Questions
What is the difference between AVI and FLV?
▼
AVI Video avi (audio video interleave) is one of the oldest video container formats, introduced by microsoft in 1992. FLV Video (Flash Video) flv (flash video) was once the dominant video format for web streaming, used by youtube, hulu, and most video websites in the flash player era. The key differences are: AVI Video offers wide compatibility with older devices and editors, while FLV Video (Flash Video) provides compact file sizes.
Will I lose quality converting AVI to FLV?
▼
Xonvert uses professional-grade conversion tools to ensure the highest possible quality when converting AVI Video to FLV Video (Flash Video). The output is optimized for the target format's strengths.
When should I use FLV instead of AVI?
▼
Use FLV Video (Flash Video) when you need converting legacy flash video content or archival of old web videos. Compact file sizes. Use AVI Video when legacy system compatibility.
Can I convert AVI to FLV for free?
▼
Yes. Xonvert lets you convert AVI to FLV completely free with no registration. Free users get a daily conversion limit. Upgrade to Pro ($4.99/mo) for higher limits, larger file sizes, and priority processing.
What are the best use cases for FLV?
▼
FLV Video (Flash Video) is best for: Converting legacy Flash video content; Archival of old web videos; Compatibility with older systems. Compact file sizes. Quick to decode.