Convert AVI to FLV Online — Free & Fast | AnyConv

AVI to FLV Converter

Quickly convert multiple avi files to flv — free & online.

Drag & drop your files here or click to upload

How to convert AVI to FLV online

Follow these simple steps to convert avi files to flv using AnyConv. It works on all devices — Windows, Mac, Linux, iPhone, Android.

Upload your AVI file

Drag & drop your file into the upload area. You can also click to select it manually. Max file size: 100 MB.

Start converting

Hit the “Convert” button to turn your AVI into FLV. The process usually takes just a few seconds.

Download your FLV

Once ready, download your converted file instantly. The download link is private and only works on your device.

What is a AVI file?

AVI (Audio Video Interleave) is a multimedia container format introduced by Microsoft. It can store both video and audio data in a single file and supports a variety of codecs.

Although an older format, AVI is still widely supported and used for video playback, editing, and sharing. However, its larger file sizes and limited support for newer features make it less efficient than modern formats.

How to open AVI files

AVI files are compatible with nearly all media players, including VLC, Windows Media Player, and QuickTime (with codecs). They are widely used in both editing and playback.

You can convert AVI to MP4 or MKV using AnyConv for improved compression and compatibility.

Key facts about AVI

  • Full name: Audio Video Interleave
  • Extension: .avi
  • MIME type: video/x-msvideo
  • Developed by: Microsoft
  • Initial release: 1992

Useful links and resources

What is a FLV file?

FLV (Flash Video) is a video format created by Adobe for use with Flash Player. It was widely used for video streaming across the web, especially on platforms like YouTube in the early days.

Although Flash is no longer supported, FLV remains a recognizable format and can be easily converted to MP4 or other formats for modern playback.

How to open FLV files

FLV files can be opened using VLC, KMPlayer, or legacy Flash-based video players. Though Flash has been phased out, FLV is still supported by many modern tools.

To convert FLV to MP4 or another current format, use AnyConv online.

Key facts about FLV

  • Full name: Flash Video File
  • Extension: .flv
  • MIME type: video/x-flv
  • Developed by: Adobe Systems
  • Initial release: 2002

Useful links and resources

Convert to FLV

Want to get a file in FLV format? Choose the original format you’re starting with — AnyConv can quickly convert dozens of file types into FLV.

❓ Frequently Asked Questions

Answers to common questions about converting AVI to FLV
  • Do I need to register to convert AVI files?
    Not at all! You can convert AVI to FLV without signing up or installing anything.
  • Is it safe to convert AVI to FLV on AnyConv?
    Absolutely. All AVI and FLV files are securely handled and automatically deleted after 1 hour. Nobody can access your data.
  • Will the quality change after converting AVI to FLV?
    We do our best to preserve the original quality during AVI to FLV conversion. The result is accurate and clean.
  • How long does it take to convert AVI to FLV?
    Most conversions from AVI to FLV take just a few seconds — even for larger files.
  • Can I upload more than one AVI file?
    Yes, batch conversion is supported. You can convert multiple AVI files to FLV at once — fast and easy.
  • What browsers support AVI to FLV conversion?
    All modern browsers! Chrome, Firefox, Safari, Edge — AnyConv runs online and supports converting AVI to FLV on any platform.
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