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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
  21. 1.21 MKV to AVI Conveter
  22. 1.22 GIF to AVI Converter
  23. 1.23 MP4 to AVI Converter with VLC
  24. 1.24 Convert FLV 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 SWF Converter
  10. 3.10 AVI to DVD Converter
  11. 3.11 AVI to DivX Converter
  12. 3.12 AVI to ISO Converter
  13. 3.13 AVI to TS Converter
  14. 3.14 AVI to VOB Converter
  15. 3.15 Convert AVI to MP4
  16. 3.16 Convert AVI to MP3
  17. 3.17 AVI to MPEG Converter for Mac
  18. 3.18 AVI to MPEG Converter
  19. 3.19 Convert AVI to MP4 with VLC
  20. 3.20 Convert AVI to WAV
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
  16. 7.16 What Is an AVI File

5 Different Converter Tools for Converting AVI to FLV

by Christine Smith • 2024-01-11 10:28:41 • Proven solutions

If you have problems in uploading your AVI videos to some video sharing sites, you may want to convert AVI to FLV file beforehand. It's not only YouTube that's notorious for its uploading format, but it's the same standard across other sites too. The main reason is due to its wide availability of Adobe Flash Player in the major web browsers. Besides that, an FLV video file format is smaller in terms of file size compared to an AVI and hence, would not take up a lot of storage space.

Part 1. Must-have AVI to FLV Video Converter

The Wondershare UniConverter (originally Wondershare Video Converter Ultimate)) is a fast solution to your conversion challenges, the best video converter you can get. The trial version is free to download, and you easily install it on your PC to witness for yourself how simple and fast it'll be able to convert an AVI video to FLV.

  • Convert AVI to FLV, MOV, MP4, and other 1000+ formats.
  • Convert AVI to an optimized preset for almost all of the devices.
  • 90X faster conversion speed than any conventional converters.
  • Edit, enhance & personalize your video files.
  • Download/record videos from YouTube and other 10,000 video sharing sites.
  • Versatile toolbox combines video metadata editor, GIF maker, VR converter and screen recorder.
  • All in one toolbox: video compressor, image converter, GIF maker, VR converter, and more.
  • Edit videos, audios, and images by enhancing brightness, trimming, cutting adding effects among others.
  • Supported OS: Windows 10/8/7/XP/Vista, macOS 11 Big Sur, 10.15 (Catalina), 10.14, 10.13, 10.12, 10.11, 10.10, 10.9, 10.8, 10.7

Steps on How to Convert AVI to FLV using Wondershare UniConverter:

Step 1 Drag-and-drop AVI files to the converter.

After the installation, click the +Add Files and upload the videos that you want to convert. You are allowed to import more than one file at a time due to the support of batch conversion. Other than converting AVI video files, there's a range of other input formats that are supported, such as MOV, MKV, WMV, and much more.

add files to the avi to flv converter

Step 2 Edit videos in real-time before AVI to FLV conversion.

This converter provides you with some powerful video editing functions. You can Crop, Clip, Add watermarks or Subtitles to videos, as well as Merge and Split video as you need. Changes can also be viewed in real-time. All you need is to click one of the Editing icons under the video thumbnail to get a separate editing window.

edit video before AVI to FLV conversion

Step 3 Convert your AVI files to FLV.

Click Target's drop-down list, and you will see many a variety of supported output formats. You can select either FLV or any other format as you like. Then click the Convert button, and the AVI to FLV conversion will be completed automatically. Converted files can be founded by clicking the Finished tab at the top.

Start converting the AVI files to FLV

Free Download Free Download

Part 2. Free AVI to FLV Converter

Wondershare Free AVI to FLV Converter is one of the best freeware. With the Wondershare Free AVI to FLV Converter, you can enjoy vast conversion in batch, excellent conversion speed, downloading of subtitles from YouTube, a download that is three times that of other converters, conversion and download in just a click. Other bonus features of Free VC include screen recorder, Lightweight Video Editor, Metadata Editor, transfer of videos to devices, GIF maker, burning of DVDs, and so on.

Steps to convert AVI to FLV freeware using Wondershare Free Video Converter

Step 1: Click on the +Add Files button on the Convert tab to add local AVI files.

Step 2: Go to the Convert all files to option select FLV format from the Video tab.

Step 3: Click on the Convert All button to start processing, and the file gets saved at the Converted tab.

convert the  AVI to FLV by Wondershare Free AVI to FLV Converter

Part 3. Top 3 Online AVI to FLV Converters

There are many free AVI to FLV converters you can use or download online, but after careful consideration, you have been given three of the best ones to select from, after seeing their description as below.

1. Online Converter

The Online Converter is a good tool you can use to convert your AVI to FLV online and for free. Although it might seem like the tool is not intuitive enough, you will be glad to know that it gives you a rich functionality and how simple it is to use.

To easily convert AVI to FLV using Online Converter, you need these few steps.

Step 1: First, select the output format you want to Convert to, which is FLV.

Step 2: Choose an AVI file you wish to convert under the select a file to upload and convert. You can upload the file from your PC or from a URL.

Step 3: Select the Convert option to begin uploading your file automatically.

Step 4: Once this is done, the Online Converter will redirect you to a new web page where you can see the result of your conversion, i.e., your FLV file.

convert WAVI to FLV by Online Converter

2. AVI to FLV Online Uniconverter

This converter is easy to use when it comes to converting AVI files to several other formats, one of which is the FLV format. Conversion is free though using a desktop version has more advantages such as faster speed, over a thousand formats that can be converted, and no size limits.

Use the below steps to convert AVI to FLV using AVI to FLV Online Uniconverter.

Step 1: Click the + button and add the AVI video files you wish to convert.

Step 2: Select the Convert option to convert your files from AVI to FLV.

Step 3: To save your files, which have been converted from AVI to FLV, select the Download and that does it.

convert AVI to FLV by Online Uniconverter

3. Online Video Converter to FLV

This free converter is capable of handling conversions to the Adobe Flash format from more than forty-five sources of formats. You can perform the AVI to FLV conversion, as FLV conversions are one of the most popularly used on this converter site. More so, you can use the different available settings on the converter to edit your video to enhance it and also trim/cut.

These steps will guide you in converting AVI to FLV with the Online Video Converter to FLV.

Step 1: On the left side of the interface, you will find a drop-down list of options to the Convert to. Choose the Convert to FLV.

Step 2: Go to the mini-window that says the Drop Files here and upload your files from your computer, by entering a URL or Dropbox/Google Drive.

Step 3: Under the Optional Settings, you can make some changes to your video such as size change, cut video, rotation, adjust frame rate, crop pixels and so on. Save the changes made.

Step 4: Select the Start Conversion button. Once your video conversion is complete, you can go ahead and download the converted file before deleting from your server for safekeeping.

convert AVI to FLV by Online Video Converter to FLV

Part 4. Extended Knowledge for AVI and FLV Format

File Extension AVI FLV
Video File
Video File
Description 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 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.
Associated Programs
Windows Media Player
Adobe Flash Player
Developed by
Useful Links
How to Convert Video_TS to AVI
Top 10 AVI Players for Mac
Detailed information on the FLV file format
How to Add Subtitles to MP4 Files
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Christine Smith

Christine Smith

chief Editor

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