If you're not proficient in those command line-based conversion applications, I bet Free HD Video Converter Factory would float your boat. As the name suggests, it's a functional free video transcoder basically designed to simplify the video processing work. The intuitive graphic user interface features extra-large icons and a simplified layout to ensure straightforward navigation for easier operation.
Launch Free HD Video Converter Factory and open "Converter" option. Drag and drop the FLV video files you want to convert into the converter window.
Press the big "Format Profile" on the right side of the freeware to open the full list of 500+ ready-made presets. To convert FLV to AVI, head over to "Video" category and select "AVI" profile.
Optional: You're allowed to open "Parameter settings" window and modify additional preferences, such as change video bit rate, encoder, resolution, aspect ratio, frame rate, and more. Click OK to save the changes.
Click the Inverted Triangle icon on the bottom to specify an output folder. At last, hit "Run" button to free convert FLV to AVI.
Apart from being a powerful multimedia player, VLC can also serve as a free FLV to AVI converter. Let's see how it works below.
Step 1. Open VLC, click "Media" menu and choose "Convert / Save" option.
Step 2. Click "+ Add" button to add your FLV file on "Open Media" window, and press "Convert / Save" to proceed.
Step 3. There is no "AVI" profile in the drop-down list of "Profile" section. You have to click "Create a new profile" icon.
Step 4. Select "AVI" under "Encapsulation", and choose specific video and audio codec respectively. Then click "Create" button.
Step 5. Click "Browse" button to choose a destination folder.
Step 6. Hit "Start" button to convert FLV to AVI free.
There are plenty of online FLV to AVI converters available for online processing without software installation required. I'll take CloudConvert as an example for demonstration.
Step 1. Visit this website: https://cloudconvert.com/flv-to-avi
Step 2. You're allowed to upload an FLV file from local drive, Google Drive, Dropbox, OneDrive or URL.
Step 3. Click the "Wrench" icon to modify video and audio settings, click OK to save the changes.
Step 4. Press "Convert" button to start uploading and converting FLV to AVI online.
Step 5. When the process is complete, download the converted AVI file to local drive.
You got it? That's all I want to share with you how to convert FLV to AVI free with 3 simple methods. You can pick any one based on your actual need. Actually, they're also helpful to other video format conversion after you get the hang of these solutions. Hopefully, you've benefited from this post. Thanks for reading!