Convert FLV to AVI — Free Online Converter
Convert Flash Video (.flv) to Audio Video Interleave (.avi) online for free. Fast, secure video conversion with no watermarks or registration.
Conversion settings — add a file to adjust
About FLV to AVI Conversion
FLV (Flash Video) was built for streaming over HTTP with a simple header optimized for progressive download. AVI (Audio Video Interleave), introduced by Microsoft in 1992 as part of Video for Windows, is one of the oldest multimedia containers still in active use. AVI stores interleaved video and audio chunks using the RIFF structure. It supports virtually any codec through VfW or DirectShow codecs and remains the preferred format for DV camera imports, legacy video editors, and Windows-centric workflows. Converting FLV to AVI makes Flash content editable in traditional video production tools.
Why Convert FLV to AVI?
Many legacy video editing applications — from Windows Movie Maker to older versions of Adobe Premiere — work best with AVI files. AVI's frame-by-frame indexing allows precise random access and frame-accurate editing that FLV's keyframe-based seeking cannot provide. If you are working with software that does not recognize FLV or if you need to merge Flash video with DV footage, AVI conversion is essential.
Common Use Cases
- Importing FLV clips into older versions of Adobe Premiere, Vegas Pro, or Windows Movie Maker for editing