Skip to main content
All Convert
FLV
AVI

Convert FLV to AVI Video Online Free

Transform your Flash Video (FLV) videos to Audio Video Interleave (AVI) format with our free online converter. Perfect for Windows Media Player and legacy video software.

Upload Your Files

Drag & drop files here

or click to browse

PNGJPGPDFMP4MP3+50 more

Select Output Format

FLVVideo
Popular:

About FLV to AVI Conversion

Our powerful FLV to AVI video converter transforms your Flash Video files to Audio Video Interleave format instantly, keeping high fidelity with uncompressed options. Whether you need videos for Windows Media Player and legacy video software, our browser-based converter handles it all without uploading to external servers. The conversion happens entirely in your browser using advanced FFmpeg technology, ensuring your videos remain private and secure. Support for HD, Full HD, and 4K resolution with customizable quality presets from low (faster, smaller files) to ultra (maximum quality). No software installation required - works on Windows, Mac, Linux, and mobile devices.

FLV
What is FLV?

Flash Video - Legacy web video format, still used for some streaming platforms.

  • Small size
  • Streaming
  • Legacy support
  • Fast loading

AVI
What is AVI?

Audio Video Interleave - Classic video format with high quality and wide compatibility.

  • High quality
  • Windows native
  • Wide support
  • Multiple codecs

Why Use Our FLV to AVI Converter?

Fast FLV to AVI conversion in browser

HD, Full HD, and 4K video support

Quality presets: Low, Medium, High, Ultra

No file upload to servers - 100% private

Batch conversion for multiple videos

Preserve original video quality

Audio track preservation

Works on all devices - PC, Mac, mobile

When to Convert FLV to AVI

1

Convert FLV videos for YouTube, TikTok, and Instagram

2

Transform FLV files for website embedding

3

Prepare FLV videos for email sharing

4

Convert FLV recordings for mobile playback

5

Create AVI files for video editing software

Frequently Asked Questions

How do I convert FLV to AVI for free?
Converting FLV to AVI with AllConvert is simple and free: 1) Click "Select Files" or drag-and-drop your FLV video, 2) Choose your preferred quality setting (Low, Medium, High, or Ultra), 3) Click "Convert" and wait for processing, 4) Download your AVI file. No registration or payment required!
Is the FLV to AVI conversion secure?
Yes, absolutely! Our converter processes videos directly in your browser using FFmpeg WebAssembly technology. Your videos never leave your device - no upload to external servers. This ensures complete privacy and security for your personal or professional content.
Will converting FLV to AVI reduce video quality?
Quality depends on your chosen preset. "Ultra" maintains maximum quality closest to the original, while "Low" creates smaller files with some quality reduction. For most social media use, "High" offers the best balance. Our converter supports up to 4K resolution for AVI output.
What is the difference between FLV and AVI format?
FLV (Flash Video): Legacy web video format, still used for some streaming platforms. AVI (Audio Video Interleave): Classic video format with high quality and wide compatibility. Choose AVI when you need high quality and windows native.
Can I convert FLV to AVI on mobile?
Yes! AllConvert works on all devices including smartphones and tablets (iOS and Android). The browser-based converter doesn't require any app installation. Simply open AllConvert in your mobile browser, upload your FLV file, and convert to AVI.
How long does FLV to AVI conversion take?
Conversion time depends on file size, length, and your device's processing power. A typical 5-minute HD video takes 30-60 seconds. Larger files or 4K videos take longer. The "Low" quality preset converts faster than "Ultra".
Can I batch convert multiple FLV files to AVI?
Yes, AllConvert supports batch conversion. Upload multiple FLV files at once, and they'll all be converted to AVI format. You can download them individually or all at once when processing completes.
What's the maximum file size for FLV to AVI conversion?
Since conversion happens in your browser, there's no strict upload limit. However, very large files (over 500MB) may be slower depending on your device's memory. For best performance with large videos, we recommend the "Medium" or "High" quality preset.

Related Video Conversions

AVI to FLVFLV to MP4FLV to MOVFLV to WebMFLV to MKVFLV to WMVFLV to GIFFLV to OGV

FLV
Convert FLV to Other Formats

FLVMP4FLVMOVFLVWebMFLVMKVFLVWMVFLVGIFFLVOGVFLV3GPFLVM4VFLVTS

AVI
Convert Other Formats to AVI

MP4AVIMOVAVIWebMAVIMKVAVIWMVAVIGIFAVIOGVAVI3GPAVIM4VAVITSAVI