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How to Convert FLV to AVI?
Follow these simple steps to convert FLV files to AVI in seconds:
Upload
Select or drag your FLV file to our online FLV to AVI converter.

Convert
Click the “Convert” button and let our tool transform your .flv file to .avi in seconds.

Download
Save your newly converted AVI file to your device, ready to stream or share.

What is FLV?
FLV (Flash Video) is a digital video file format developed by Adobe Systems, primarily designed for streaming video content over the internet. FLV files typically use the H.263 or VP6 video codec and MP3 or AAC audio codec. However, with the decline of Flash technology and the rise of modern formats like MP4, FLV has become obsolete, as most web browsers and platforms now favor HTML5-based video playback for better performance, security, and compatibility.
What is AVI?
AVI (Audio Video Interleave) is a multimedia container format developed by Microsoft in 1992. It stores both audio and video data in a single file, allowing synchronous playback. AVI supports various codecs for compressing audio and video, offering flexibility in quality and file size. While it delivers high-quality output, AVI files can be large and are not ideal for streaming. It is widely supported across Windows-based systems and many media players.
FLV vs. AVI
FLV vs. AVI—let’s see which is better! Here's a detailed comparison:
Features
AVI
- File Extension
- .avi No
- Developer
- Microsoft No
- Compression
- Lower compression, larger file sizes No
- Quality
- Can deliver high quality, but depends on codec No
- Video Codec Support
- MPEG-4, DivX, Xvid, H.264, others No
- Audio Codec Support
- MP3, AC3, PCM, others No
- Streaming Support
- Not optimized for streaming No
- Compatibility
- Supported by most media players No
- Use Cases
- Video editing, desktop playback, legacy systems No
FLV
- File Extension
- .flv No
- Developer
- Adobe Systems (originally Macromedia) No
- Compression
- High compression optimized for streaming No
- Quality
- Decent quality optimized for internet delivery No
- Video Codec Support
- Sorenson Spark, VP6, H.264 No
- Audio Codec Support
- MP3, AAC No
- Streaming Support
- Designed for web streaming (Flash) No
- Compatibility
- Requires Flash Player or compatible players No
- Use Cases
- Online videos (e.g., YouTube pre-HTML5), Flash-based websites No
Why Choose our FLV to AVI Converter?
100% Free and Online
Convert FLV files to AVI without software installation.
Fast Conversion
Our powerful servers ensure quick results every time.
High-Quality Output
Preserve video quality while optimizing file size.
Device Compatibility
Works seamlessly on desktops, tablets, and mobile devices.
Secure and Private
Your files are safe with us—deleted automatically after conversion.
Cloud-Based Convenience
No software downloads or installations needed.
Start Streaming with Gumlet
Once you've converted your FLV file to AVI, why stop there? Gumlet helps you host, secure, and stream your videos effortlessly. Simply, follow the steps below:
Video Upload
Automate video uploads from your device or cloud storage at scale with integrations and APIs. Upload multiple videos in parallel without getting stuck in upload queues.

Video Processing
Enjoy instant video start times, exceptional quality, and buffer-free streaming. Generate unlimited subtitles in multiple languages and optimize your streaming with latest codecs.

Video Sharing
Generate playback URLs instantly and embed codes for easy publishing. Our global Multi-CDN network ensures super-responsive video streaming with instant start times every time.







