Use HandBrake if you want the best AVI to MP4 conversion. Use VLC if you need a quick fix and already have it installed. VLC is huge, too. VideoLAN said VLC passed 3 billion downloads in 2019 [source: VideoLAN]. So yes, both tools are free, trusted, and worth keeping around.

TLDR: HandBrake is better for clean, reliable AVI to MP4 conversion. VLC is better for fast, simple conversions when quality is not your big worry. For example, if you have 20 old AVI clips from a camera, HandBrake will usually give you smaller files and steadier results. If you have one 300 MB AVI and need an MP4 in five minutes, VLC can do the job.

Why Convert AVI to MP4?

AVI is old. It still works, but it can be awkward. Some phones dislike it. Some browsers ignore it. Some smart TVs act like it is a cursed object from 2004.

MP4 is the safe bet. It plays on iPhone, Android, Windows, Mac, tablets, TVs, and most websites. It is also better for sharing. Smaller files. Fewer angry messages from friends saying, “Why won’t this video open?”

AVI can also hold many kinds of video and audio inside. That sounds nice. It is not always nice. It can mean weird codecs. Weird codecs mean playback errors. MP4 with H.264 video and AAC audio is the boring choice. Boring is good here.

HandBrake vs. VLC: The Short Version

• HandBrake: Best for quality, file size, batch work, and control.
• VLC: Best for quick one-off conversions.
• HandBrake wins if you care about the final file.
• VLC wins if you are in a hurry.

Honestly, it feels like VLC conversion was added as a bonus feature. It works. But it is not fun to tweak. HandBrake feels built for this exact job. Because it is.

What Is HandBrake?

HandBrake is a free, open-source video converter. It is made for turning video files into modern formats. AVI to MP4 is one of its sweet spots.

It has presets. That helps a lot. You can pick Fast 1080p30, HQ 720p30, or a device preset. Then HandBrake handles most of the nerdy stuff.

It also gives you control. You can change resolution, bitrate, frame rate, subtitles, audio tracks, chapters, and filters. You do not need all of that on day one. Still, it is nice when you need it later.

How to Convert AVI to MP4 with HandBrake

1. Install and open HandBrake.
2. Click File and choose your AVI video.
3. Choose a preset, such as Fast 1080p30.
4. Set Format to MP4.
5. Go to the Video tab.
6. Use H.264 for wide support.
7. Pick where to save the file.
8. Click Start Encode.

That is it. The progress bar moves. Your fan may sigh a little. Then you get an MP4.

Best simple settings:

• Format: MP4
• Video codec: H.264
• Audio codec: AAC
• Preset: Fast 1080p30 for most home videos
• Quality: RF 20 to 23 for a good size and quality mix

Lower RF means better quality and bigger files. Higher RF means smaller files and lower quality. Do not overthink it. Try RF 22. If it looks bad, try RF 20.

What Is VLC?

VLC is a free media player. It plays almost anything. That is why people love it. It also converts video files, including AVI to MP4.

But VLC is mainly a player. Its conversion tool feels a bit hidden. The menus are not scary, but they are clunky. It drives me crazy that one wrong profile can create a file with no audio. Fun times. Not really.

How to Convert AVI to MP4 with VLC

1. Open VLC.
2. Click Media.
3. Choose Convert / Save.
4. Click Add and select your AVI file.
5. Click Convert / Save.
6. Pick a profile like Video – H.264 + MP3 (MP4).
7. Choose the destination file.
8. Name it with .mp4 at the end.
9. Click Start.

For better compatibility, use H.264 for video. Use AAC for audio if your VLC profile allows it. If your converted file has no sound, check the audio codec settings. Yes, this is annoying. No, you are not the only one.

Which One Gives Better Quality?

HandBrake usually gives better quality. It is easier to control. It also compresses better. That means your MP4 may look clean without becoming massive.

VLC can make a usable MP4. But results can vary. Sometimes it is fine. Sometimes the file is bigger than expected. Sometimes the audio acts weird. Sometimes you stare at the screen and ask, “Why is this taking longer than the video itself?”

HandBrake also handles batch conversion better. If you have 30 AVI files, queue them. Let HandBrake work. Go drink coffee. VLC can convert more than one file, but it feels less friendly for big jobs.

Speed: Who Is Faster?

This depends on your computer and settings. A short AVI may convert in a few minutes. A long HD video may take much longer.

VLC can feel faster for a single basic conversion. It has fewer choices in your face. Click, pick profile, start.

HandBrake may take longer if you pick higher quality settings. But the final file is often worth it. Smaller size. Better playback. Fewer surprise issues.

File Size: Who Wins?

HandBrake wins most of the time. Its compression settings are strong and easy to tune. A 1 GB AVI can often become a 300 MB to 600 MB MP4, depending on quality and resolution.

VLC may also shrink the file. But it gives you less clear control. You may get a tiny file that looks bad. Or a giant file that looks no better than the original. That is not ideal.

When Should You Use HandBrake?

• You want the best balance of quality and size.
• You have many AVI files.
• You want subtitles or audio control.
• You are converting family videos.
• You want fewer playback problems later.

Use HandBrake when the video matters. Weddings. School projects. Old camcorder clips. Business videos. Anything you do not want to redo.

When Should You Use VLC?

• You only have one AVI file.
• You already use VLC.
• You need an MP4 quickly.
• You do not care much about fine settings.
• You are testing a file before sharing it.

Use VLC when “good enough” is truly good enough. It is a pocket knife. Helpful. Not always elegant.

Common Problems and Easy Fixes

No audio? Change the audio codec to AAC. Also check that the audio track is selected.

Video looks blurry? Use a better quality setting. In HandBrake, lower the RF number. Try RF 20.

File is too large? Raise the RF number in HandBrake. Try RF 23 or 24.

MP4 will not play? Use H.264 video and AAC audio. Avoid odd codecs unless you know why you need them.

Conversion is slow? Close other apps. Pick a faster preset. Or let it run while you do something else.

Final Pick

Pick HandBrake for most AVI to MP4 conversions. It is cleaner, smarter, and better for repeat work. Pick VLC when you want speed and do not want to install another app.

If you are converting one random file, VLC is fine. If you are converting videos you care about, use HandBrake. Your future self will be less grumpy.