Top 6 Best AVI to FLV Converter Online and Offline

You may have tried to upload AVI videos to online video-sharing sites. However, the only result is that your AVI video files are refused due to incompatibility issue. Though AVI is a multimedia container that contains both video and audio data, it is still not supported by Google and other video-streaming sites. So why does FLV videos so popular?

Convert AVI to FLV

Actually, FLV allows users to contain the same content with smaller file size. And you can watch FLV videos while uploading with viewers online. Thus, you can spend less time on sharing videos by converting AVI to FLV. Based on above reasons, you need to choose one proper AVI to FLV converter to share AVI videos online, and this is also the topic what this article wants to talk about.

• Part 1. Best Video Converter to Convert AVI to FLV on Windows and Mac
• Part 2. Top 5 Online AVI to FLV Converter You Can Get
• Part 3. Video Converter Ultimate VS Online AVI to FLV Converters

Part 1. Best Video Converter to Convert AVI to FLV on Windows and Mac

With over 100 million customers all over the World, Aiseesoft Video Converter Ultimate offers greatest solutions for users to convert, download, edit and enhance videos and audios on Windows and Mac PC. As a result, you can convert AVI to FLV in fast conversion speed and high-quality output. Considering different requirements towards video conversion, this AVI to FLV converter allows users to convert any video or audio to various preset profiles. In another word, you can convert AVI to streaming video formats including FLV, MP4, WebM, WMV and SWF directly.

What Else Can this AVI to FLV Converter Do

• Convert any video (4K/3D included) or audio over 1000 formats.
• Convert homemade DVD and video to GIF/video/audio.
• Provide powerful video editing features.
• Enhance video quality and stabilize shaky video.
• Get a real-time output preview window.
• Offer default settings for various devices like iPhone, Android, Xbox, PSP, etc.
• Extract audio tracks from video files and DVDs and then convert to popular formats.

How to Convert AVI to FLV with No Quality Loss

Step 1 Add AVI video to Video Converter Ultimate

Free download and install AVI to FLV video converter on your Windows or Mac computer. Launch this program and choose "Add File" on the top toolbar to import the local AVI file. Actually, you can drag and drop the target AVI video to its main interface directly as well.

Step 2 Edit the AVI video (Optional)

You can skip this step if you do not need to change anything. Otherwise, you can choose "Edit" to access all video and audio editing tools. When the "Edit" window pops up, you can see 6 different sections. So you are able to rotate, crop, watermark, enhance video quality, enable 3D settings and apply effect. By using its preview window, you can always view the instant video and audio effect. At last, choose "Apply to All' or "Apply" to save your change.

Step 3 Convert AVI to FLV

Choose "Profile" and get numerous preset profiles from this AVI to FLV converter. During this time, you should click "Streaming Video" from its drop-down list. You can choose "FLV – Flash Video Format (*.flv)" or "Flash H264 Video (*.flv)" to output as FLV video format.

You can also adjust profile settings by choosing "Settings" option besides. Finally, set a destination folder and click "Convert" to convert AVI to FLV on Windows or Mac.

Part2: Top 5 Online AVI to FLV Converter You Can Get

Of course, you can take online video converters to convert AVI to FLV online for free. Though you may not convert unlimited videos and get much filters with most AVI to FLV online converters.

1. Online-convert

Pros:

• Convert AVI videos from local folders, URL, Dropbox and Google Drive.
• Change screen size, video bitrate, audio quality and get other basic tools.
• Convert over 50 source formats to FLV online for free.
• Save the converted FLV video to desktop or cloud storage.

Cons:

• Cannot batch convert AVI to FLV online.
• This AVI to FLV online converter does not offer a preview window.

2. Convert.Files

Pros:

• Convert local AVI video or streaming video to FLV online.
• Offer various output formats for video, audio, image, eBook and others.
• Send the converted FLV video to your email box.

Cons:

• You can convert one AVI video to FLV online per time with Convert.Files AVI to FLV converter online.
• No built-in video editing tools nor a preview window.

3. Zamzar

Pros:

• Upload AVI video from local folder or URL.
• Provide various output formats including video, audio, image, document, etc.
• Get the basic introduction about AVI and FLV video formats from Zamzar online AVI to FLV converter.

Cons:

• There is no preview window or filters you can use to customize the output FLV video.
• Not support users to save FLV files to cloud storage or local folder.

4. Aconvert

Pros:

• Support AVI video source from local folder or URL.
• Get common video output formats including FLV.
• Change size, bitrate, frame rate or video aspect before AVI to FLV conversion.

Cons:

• No AVI to FLV batch conversion feature.
• Aconvert online AVI to FLV converter allows users to get the download link only.

5. FreeFileConvert

Pros:

• Convert up to 5 AVI videos to FLV online for free.
• Import AVI videos from desktop, URL, Dropbox and Google Drive.
• Provide popular video and audio output formats.

Cons:

• The maximum file size is up to 300 MB combined.
• There are no video or audio editing tools in FreeFileConvert free AVI to FLV converter online.

Part 3. Video Converter Ultimate VS Online AVI to FLV Converters

The Comparison of Video Converter Ultimate and 5 Best Online AVI to FLV Converter

	Powerful editing tools	Real-time Preview window	Batch convert AVI to FLV	Unlimited AVI to FLV video conversion	Enhance video quality
Video Converter Ultimate	Yes	Yes	Yes	Yes	Yes
Online-convert	Yes	No	No	No	No
Convert.Files	No	No	No	No	No
Zamzar	No	No	No	No	No
Aconvert	Basic	No	No	No	No
FreeFileConvert	No	No	Convert up to 5 AVI files	Up to 300MB combined	No

From this table, you can see more obvious comparisons and get a result that Video Converter Ultimate does a much better job than online FLV video converters. So if you are chasing for high quality output and better visual experience, then Video Converter Ultimate should be your best AVI to FLV converter on Windows and Mac platforms.