How to Convert AVI to H264 on the Desktop & Online?

Author: Carina
Publish date
Updated on Jan 24, 2025
AVI H264
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Convert AVI File to H264
1. Convert AVI to H264 with a Desktop Video Converter Software
2. Convert AVI to H264 with a Convenient Online Converter
Conclusion
FAQs
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AVI files can offer high video quality but usually come with large file sizes. Moreover, due to its different compression standards, you may often encounter incompatible issues when playing or sharing AVI videos. Therefore, converting AVI to H264 can greatly enhance compatibility with various platforms and software while even shrinking the file size.

The following share two general ways to help you convert AVI to H264; one is the desktop video converter software, and the other is an online service. Each one has its benefits and drawbacks. You can read this post to choose a suitable way and learn how to convert AVI to H264 with them.

Convert AVI to H264 with a Desktop Video Converter Software

WonderFox HD Video Converter Factory Pro is a professional and powerful video converter that can convert AVI to H264 in just a few clicks. Its straightforward interface makes it suitable for beginners to use.

This converter can import SD/HD/4K AVI videos encoded with different encoders and convert them to H264 with quality preserved, fast speed, and in batches.

In addition, it supports almost all video formats and offers 600+ output options so that you can also use it for all general video conversions. You can also control the output settings such as video resolution, bit rate, frame rate, and audio settings.

Now, free downloadfree download the software and follow the tutorial below to start your conversion.

AVI to H264 Converter
An Efficient AVI to H264 Converter

WonderFox HD Video Converter Factory Pro offers the most effective way to convert AVI files to H264 without hassle. You can easily convert any AVI files to H264 MP4, MOV, AVI, etc. while maintaining quality.

Free download Download for Free
Free download Download for Free
* The unregistered version has a 5-minute conversion limit for each file.

Step 1: Load AVI Video into the Program

Launch HD Video Converter Factory Pro and open the Converter in the main interface. Then click the +Add Files button or the center + button to import AVI videos. You can also drag and drop the video into the program.

πŸ’‘ Tips: Fail to import your AVI files? Check if it’s corrupted or DRM-protected. Such a file cannot be loaded into this video converter.

Load AVI video
Load AVI video

Step 2: Choose H264 as the Output Format

Click the format image on the right side to open the output format list. Under the Video tab, you can directly select H.264 to convert AVI to MP4 H.264. You can also choose AVI as the output format and then open the "Parameter settings" window to change the video encoder to H264 to convert your XviD/DivX AVI to H264 AVI or select other video formats that support H264 encoder for different conversion needs.

Choose Output Format
Choose Output Format

Optional: In the Parameter settings window, you can also modify the resolution, bitrate, frame rate, etc. according to your needs. If you’re not familiar with these settings, just leave them as Smart-Fit and the program will use common settings based on the selected format.

Adjust Parameters
Adjust Parameters

Step 3: Start Conversion

Click the bottom triangle button to choose an output folder or leave it as default. Click the bottom triangle button to choose an output folder or leave it as default. Before starting conversion, you can also edit videos with the toolbar in blue color. Once done, press Run to start the conversion.

πŸ’‘ Tips. If your computer supports hardware acceleration, GPU acceleration will be enabled to improve the conversion speed and performance. Click to learn more about video conversion with GPU acceleration. Moreover, if your original AVI videos are encoded in H264, the AVI to H264 can even enable the lightning mode (with a lightning icon on the conversion task) that can quickly convert your videos without losing quality.

Start AVI H264 Conversion
Start AVI H264 Conversion

HD Video Converter Factory Pro supports batch conversion to save time and energy. However, to ensure hardware efficiency and system stability, it can only convert 2 files simultaneously for H264 conversion.

Convert AVI to H264 with a Convenient Online Converter

If you only have some small-sized AVI files and don't want to download any software, an online video converter can help you. Among various online tools, Convertio is one of the best and most reliable ones. It can convert AVI to H.264 MP4, MOV, AVI, MKV, etc. formats easily.

However, note that such online services always limit the file size for free usage. Convertio limits the maximum upload file size to 100 MB and only allows 10 conversions per day for free.

Here is a simple conversion guide.

1: Open your browser and visit the website: https://convertio.co/avi-converter/;

2: Click Choose Files to upload an AVI file to the website.

3: Select the target format you want to convert to.

Import AVI to Online Converter
Import AVI to Online Converter

4: Open the settings window to set the Codec as H.264 (AVC). You can also customize other settings here. Click OK to save the change.

5: Click Convert to start the conversion and finally download the converted file.

Online AVI to H264 Converter
Online AVI to H264 Converter

5: Click Convert to start the conversion and finally download the converted file.

Start Conversion
Start Conversion

Conclusion

That’s all I want to share with you about converting AVI to H264. With the online and desktop converters, you can convert any AVI videos to H.264 easily. As stated previously, the online tool is convenient to use; however, it has some limitations like internet requirements, size & amount limits, ads, etc. If you have some large files to convert or have other multimedia needs, the software program is more suitable and stable. Though you need to purchase a license to enjoy the full feature, you can download it here to have a free try first.

Free download Download for Free
Free download Download for Free

Thanks for reading till the end. Have a nice day!

FAQs

Q1. Does AVI support h264?

Yes. AVI is a multimedia container format that can encapsulate various video encoders, like DivX, XviD, MJPEG, H264, etc.

Q2. AVI vs. H264, what is the difference between them?

Simply put, AVI is a container format that can hold different video and audio codecs, including H264. H264 is a popular video compression standard that can be wrapped in many container formats like MP4, MOV, AVI, MKV, etc.

AVI is usually larger and offers better quality than H264 due to its less efficient compression. However, H264 shares better compatibility than AVI.

Q3. Can I convert AVI to H264 using VLC?

Yes. VLC is a multimedia player that also comes with a conversion feature for most basic conversions, including AVI to H264.

The simple steps are:

  • Launch VLC;
  • Click "Media" > "Convert / Save".
  • Click "Add" to add an AVI and then click "Convert / Save".
  • Expand the profile list and select a video option with the H264 codec, like Video - H.264 + MP3 (MP4).
  • Click "Browse" to set the destination folder and rename the file with the target format extension.
  • Click "Start" to begin the conversion.
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