All-in-One Video Converter

Wondershare UniConverter

  • Convert FLV to AVI, MKV, MOV, MP4 and other 1000+ video/audio formats.
  • Download or record videos from 10,000+ video sharing sites.
  • 30X faster conversion speed than any conventional converters.
  • Burn and customize your DVD with free DVD menu templates.
  • Versatile toolbox combines screen recorder, GIF maker, fix video metadata, etc.
flv to avi converter


1. Convert Popular Formats to AVI+
  1. 1.1 WMV to AVI Converter
  2. 1.2 MOV to AVI Converter
  3. 1.3 MOV to AVI Converter for Mac
  4. 1.4 MKV to AVI Converter
  5. 1.5 Free MP4 to AVI Converter
  6. 1.6 WebM to AVI Converter
  7. 1.7 MPG to AVI Converter
  8. 1.8 FLV to AVI Converter
  9. 1.9 Convert ISO to AVI
  10. 1.10 Convert M4V to AVI
  11. 1.11 3GP to AVI Converter
  12. 1.12 RMVB to AVI Converter
  13. 1.13 DivX to AVI Converter
  14. 1.14 WLMP to AVI Converter
  15. 1.15 VRO to AVI Converter
  16. 1.16 Video TS to AVI Converter
  17. 1.17 DV to AVI Conveter
  18. 1.18 MTS to AVI Converter
  19. 1.19 VOB to AVI Converter
  20. 1.20 Convert MP3 to AVI
2. Convert Other Formats to AVI+
  1. 2.1 ASF to AVI Converter
  2. 2.2 MXF to AVI Converter
  3. 2.3 MOD to AVI Converter
  4. 2.4 Convert MP4 to AVI
  5. 2.5 Convert MP4 to AVI on Mac
  6. 2.5 Convert DVD to AVI
  7. 2.7 Convert WTV to AVI
  8. 2.8 Convert DVR to AVI
  9. 2.9 Convert Torrent to AVI
  10. 2.10 Convert AVCHD to AVI
  11. 2.11 Convert MSWMM to AVI
  12. 2.12 Convert OGV to AVI
  13. 2.13 Convert YouTube video to AVI
  14. 2.14 Convert Windows Movie Maker Video to AVI
  15. 2.15 Convert Windows DVD Maker Video to AVI
  16. 2.16 Burn DVD to AVI with handbrake
  17. 2.17 Export Windows Live Movie Maker in AVI
  18. 2.18 Free M2TS to AVI Converter
  19. 2.19 Convert JPG to AVI
  20. 2.20 Convert PPT to AVI
3. Convert AVI to Popular Formats+
  1. 3.1 AVI to MOV Converter
  2. 3.2 AVI to MOV Online Converter
  3. 3.3 AVI to MKV Converter
  4. 3.4 AVI to 3GP Online Converter
  5. 3.5 AVI to M4V Converter
  6. 3.6 AVI to FLV Converter
  7. 3.7 AVI to WMV Converter
  8. 3.8 Free AVI to MPEG Converter
  9. 3.9 AVI to DV Converter
  10. 3.10 AVI to SWF Converter
  11. 3.11 AVI to DVD Converter
  12. 3.12 AVI to DivX Converter
  13. 3.13 AVI to ISO Converter
  14. 3.14 AVI to TS Converter
  15. 3.15 AVI to VOB Converter
  16. 3.16 Convert AVI to MP4
  17. 3.17 Convert AVI to MP3
4. Convert AVI to Other Formats+
  1. 4.1 Convert AVI to iTunes
  2. 4.2 Convert AVI to WebM
  3. 4.3 Convert AVI to 3GP
  4. 4.4 Convert AVI to iMovie
  5. 4.5 Import AVI to iMovie
  6. 4.6 Convert AVI to Xvid
  7. 4.7 Convert AVI to Chromecast
  8. 4.8 Convert AVI to MPEG2
  9. 4.9 Convert AVI to MPEG4
  10. 4.10 Convert AVI to iPod
  11. 4.11 Convert AVI to GIF
  12. 4.12 Convert AVI to iPhone
  13. 4.13 Convert AVI to FCP Mac
  14. 4.14 Convert AVI to YouTube
  15. 4.15 Burn AVI to DVD
5. Convert AVI Online +
  1. 5.1 Online AVI Converter
  2. 5.2 Online Video Converter to AVI
  3. 5.3 Free WMV to AVI Online Converter
  4. 5.4 Free VOB to AVI Online Converter
  5. 5.5 MP4 to AVI Converter Online
  6. 5.6 FLV to AVI Converter Online
  7. 5.7 Convert AVI to MP4 Online
  8. 5.8 Convert AVI to MPEG Online
  9. 5.9 Convert MKV to AVI Online
6. Play AVI+
  1. 6.1 Top AVI Player
  2. 6.2 Play AVI on Mac
  3. 6.3 Play AVI on iPad
  4. 6.4 Play AVI on iPhone
  5. 6.5 Play AVI on Xbox one
  6. 6.6 Play AVI on Xbox360
  7. 6.7 Play AVI with VLC Player
  8. 6.8 Play AVI in QuickTime
  9. 6.9 Play AVI in Windows Media Player
  10. 6.10 Play AVI in Samsung galaxy s6
  11. 6.11 Play AVI on Apple TV
  12. 6.12 Play AVI on TV
7. AVI Tips & Tricks+
  1. 7.1 MOVAVI Alternative for Windows
  2. 7.2 MOVAVI Alternative
  3. 7.3 Free AVI Converter on Mac
  4. 7.4 AVI Converter for Windows 10
  5. 7.5 Free AVI Converters on Mac
  6. 7.6 AVI Converters
  7. 7.7 Free AVI Player for windows
  8. 7.8 AVI Player for Mac
  9. 7.9 AVI Cutter
  10. 7.10 Make AVI Smaller
  11. 7.11 Reduce AVI File Size
  12. 7.12 Compress AVI
  13. 7.13 Add Metadata to AVI
  14. 7.14 3D AVI Creator
  15. 7.15 Repair AVI File

3 Recommended FLV to AVI Video Converter for Lossless Conversion

by Christine Smith • Jul 23,2019 • Proven solutions

Though FLV is known as the most popular file format online (especially for YouTube), it's not as popular offline. Some of the portable devices including Xbox, BlackBerry, PSP and more don't seem to be supportive or compatible with an FLV video. To make it worst, even the mobile Flash player's application has been ceased by Adobe. Hence, it's very likely that you'll want to convert FLV videos to AVI format so it'll be playable on the portable devices mentioned above or other software.

Part 1. Recommended FLV to AVI Video Converter


Wondershare UniConverter - Your Complete Video Toolbox

  • Convert FLV files to AVI, MOV, MP4, and other 1000 formats.
  • Burn FLV videos to DVD, DVD folder, ISO file image with free DVD templates.
  • Support batch conversion from FLV to AVI with 30X faster than other converters available.
  • Download/record videos from YouTube and other 10,000 video sharing sites.
  • Versatile toolbox combines fix video metadata, GIF maker, cast video to TV, VR converter and screen recorder.
  • Supported OS: Windows 10/8/7/XP/Vista, Mac OS 10.15 (Catalina), 10.14, 10.13, 10.12, 10.11, 10.10, 10.9, 10.8, 10.7, 10.6.

Steps on How to Convert FLV to AVI:

The interface of Wondershare UniConverter (originally Wondershare Video Converter Ultimate) has been designed to be very user-friendly and to help accommodate the needs of beginners. Even if it's your first time converting a video file, all you need is just three simple steps.

Step 1 Import the FLV files to Wondershare FLV to AVI converter.

In order to add videos to Wondershare UniConverter, you can either drag-and-drop them directly or click the add files button in the upper-left of the program's main interface. Batch conversion is also supported which basically means that you can convert more than one video files at a time. Other than that, you can also create a video's playlsit by merging them altogether by turn the console Merge All Videos on.

flv to avi converter mac

Step 2 Select AVI as the output format.

Due to the broad output format support, you can actually set different output formats for each video files or select AVI under Video category as your output format. On the top of that, if you are planning to playback these AVI files on your BlackBerry, PSP or some other AVI supported players, you can easily choose the optimized presets under Device category.

flv to avi conversion

Step 3 Convert FLV to AVI in batch.

Now, you can click on Convert All to start converting your FLV files to AVI. This intuitive video converter does not only improve the playback compatibility of your FLV files, but also allows your to download much more from the online video sites such as YouTube, Hulu and Vimeo.

convert flv to avi

Watch Video Tutorial on How to Use the FLV to AVI Video Converter for Windows 10:

Part 2. Free FLV to AVI Converter

# 1. Free Video Converter: Wondershare Free FLV to AVI Converter

You can download any videos you like from the online video site YouTube and then convert it to either an AVI or any other formats that's supported by your mobile phones or tablets.

Pro: Cost nothing!

1. Standard conversion speed.
2. Limited features compared with the premium version.
3. Download videos only from YouTube.

free video converter

Part 3. Online FLV to AVI Converter

You can use the Online UniConverter (originally below. It enables you to convert your FLV video to AVI with the utmost convenience and ease. Note that it offers you a option to receive the download link via email, which ensures that you converted files is safe and only accesible by you.

wondershare online free video converter

Part 4. Extended Knowledge for FLV and AVI Format

File Extension FLV AVI
Video File
Video File
FLV, similar to other containers, are also used to store both video and audio data. The way it's encoded is very similar to the SWF file format. AVI is a multimedia container that contains both audio and video data. It allows synchronous audio-with-video playback. AVI files support multiple streaming audio and video
Associated Programs
Adobe Flash Player
Windows Media Player
Developed by
Useful Links
Detailed information on the FLV file format
How to Add Subtitles to MP4 Files
Detailed information on the AVI file format
How to Convert Video_TS to AVI
Top 10 AVI Players for Mac

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