Convert to AVI
Drop your FLV files here, or click to browse
How to Convert FLV to AVI
Convert FLV to AVI in 4 simple steps entirely on your computer or phone:
- 01Step 1
Select Your FLV File
Click "Select FLV Files" or drag and drop your .FLV files into the in-browser converter above.
- 02Step 2
Target Format Pre-Configured
The converter is preset to output AVI. You can optionally adjust quality or bitrate in the settings panel.
- 03Step 3
Convert In-Browser
Click "Convert to AVI". The native WebAssembly engine processes your file locally using your device CPU.
- 04Step 4
Save Your AVI File
Click "Download" to save your converted .AVI file immediately. No waiting in cloud queues.
FLV vs AVI: Format Comparison
Detailed side-by-side technical breakdown of container, compression, and compatibility properties.
| Feature | FLV (Source) | AVI (Target) |
|---|---|---|
| Full Name | Flash Video | Audio Video Interleave |
| Standard Body / Developer | Macromedia / Adobe Systems | Microsoft Corporation |
| Compression Type | Lossy | Lossy |
| Compression Algorithm | Sorenson Spark, VP6, or H.264 video with MP3/Nellymoser audio | DivX, XviD, MPEG-4, or raw uncompressed with MP3/PCM audio |
| Typical File Size | 10 – 50 MB | 20 – 150 MB per minute |
| Typical Quality | Standard web resolution (360p–480p) | Standard definition / 720p legacy quality |
| Common Uses | Legacy web video archives, Archived early YouTube/Flash streams | Legacy desktop video archives, Older DVD/TV playback, Dashcam footage |
| Device & Platform Support | VLC, desktop players with codec packs | Windows, VLC, media centers, legacy hardware |
| Transparency / Alpha Support | Not Supported | Not Supported |
| MIME Type Identifier | video/x-flv | video/x-msvideo |
Understanding FLV to AVI In-Memory Conversion
Converting Flash Video (FLV) to Audio Video Interleave (AVI) involves a transformation between two specialized encoding specifications. FLV was the dominant video delivery format across the web during the Adobe Flash era (2003–2015).
AVI interlaces synchronous audio and video streams in a RIFF container, widely used throughout the 1990s and 2000s.
Unlike traditional file conversion utilities that transmit sensitive files across the public internet to third-party server farms, MixConvert processes your data locally inside your web browser sandbox using compiled WebAssembly workers. Demuxed with FFmpeg WASM and converted into modern MP4/WebM video. Demuxed through FFmpeg WebAssembly and re-encoded to modern web standards. Once you close the browser tab, all temporary memory buffers are completely garbage collected.
Frequently Asked Questions About FLV to AVI
Frequently asked questions about safety, accuracy, and client-side processing.
Need the reverse? Convert AVI back to FLV
Run the inverse conversion in your browser with identical zero-upload privacy.