Convert AVI to MP4 Files Online for Free.
Free online tool to convert avi to mp4 files quickly and securely. No installation required – start converting your files in just a few clicks!
Drag and drop your files here or click to upload.
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Maximum file size is 10MB
How It Works
How to Convert AVI to MP4
Click inside the file drop area to upload your AVI file or drag & drop it.
Select MP4 as the output format and click the 'Convert' button.
Download the converted MP4 file instantly after conversion.
You can also send a link to the converted file via email. (Optional)
Convert Your AVI files to other formats
RunConvert.com can convert your AVI files to these other formats:
Convert Your AVI files to other formats
Convert Files to AVI Format
RunConvert.com supports these converters to AVI format:
Convert Files to AVI Format
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Frequently Asked Questions
Here are some common questions and answers about avi file conversions ask by our users on RunConvert.com.
Frequently Asked Questions
Q: Can I convert 4K videos?
A: Absolutely. We support 4K, but keep in mind that higher resolutions take a bit longer to process.
Q: Does converting reduce video quality?
A: Not always. It depends on the settings you choose. Stick to high bitrates and compatible formats, and you’ll be golden.
Q: Is RunConvert.com free to use?
A: Yep—basic video conversions are totally free. We keep it simple and accessible. For power users who need extras, there are premium options too.
Q: Is it safe to use RunConvert on public Wi-Fi?
A: We use HTTPS encryption, so your files are secure—even if you're sipping a latte at the airport café.
Q: Why would I even need to convert a video?
A: Good question. Maybe your phone records in a format your computer can’t open, or you want a smaller file to send over email. Sometimes, it's just about making it work better for social media.
Q: What if my video has subtitles—will they stay?
A: If they’re hardcoded (burned in), yes. If they’re separate files, they won’t be included—yet.
Q: Can I convert 60fps videos?
A: Sure thing. We preserve the frame rate unless you choose to change it manually.
Q: What’s the best format for YouTube uploads?
A: YouTube prefers MP4 with H.264 video and AAC audio. It’s like their native language.
Q: Do I need to install anything?
A: Nope—RunConvert is completely online. No downloads, no hassle. Just drag, drop, and convert.
Q: How long does it take to convert a video?
A: Usually just a few seconds for short clips. Bigger files take longer, but our servers are fast. You’ll be done before you know it.
What is AVI (Audio Video Interleave)?
AVI (Audio Video Interleave) is a multimedia container format developed by Microsoft. It is one of the oldest video formats and is used for storing both audio and video data in a single file.
AVI files can support multiple video and audio streams, making them versatile for various multimedia applications. However, the format does not have high compression, which may result in larger file sizes compared to more modern formats.
How to open AVI?
AVI files can be opened using most media players, including VLC Media Player, Windows Media Player, and PotPlayer.
For macOS users, you can open AVI files with VLC or QuickTime Player (with the necessary codec installed).
AVI is Developed by: Microsoft
AVI was Released on: 1992
Useful Links for AVI:
How to convert AVI?
Converting AVI files to other formats such as MP4, MKV, or MOV is straightforward using an online video converter. Simply upload your AVI file, select your desired output format, and begin the conversion.
Our converter guarantees fast processing while maintaining the quality of your video.
What is MP4 (MPEG-4 Part 14)?
MP4 (MPEG-4 Part 14) is one of the most widely used video file formats. It is commonly used for storing video, audio, and subtitles in a compressed form while maintaining high quality. MP4 files are often used for streaming over the internet, on mobile devices, and for storing video content on platforms like YouTube.
MP4 is based on the MPEG-4 video compression standard and supports various codecs, including H.264 and AAC, which help deliver high-quality video and audio while keeping file sizes relatively small.
How to open MP4?
MP4 files can be opened with virtually all modern media players, including VLC Media Player, Windows Media Player, and QuickTime on macOS.
Mobile devices such as smartphones, tablets, and laptops natively support MP4 files, making it an ideal choice for video playback across platforms.
MP4 is Developed by: MPEG (Moving Picture Experts Group)
MP4 was Released on: 2001
Useful Links for MP4:
How to convert MP4?
Converting MP4 files is easy using online video converters. You can upload your MP4 file and choose from a variety of output formats such as MKV, AVI, or even audio formats like MP3.
Our online tool ensures fast and high-quality conversion, making your MP4 files compatible with many different devices, video players, and platforms.
What Our Users Say
Don't take our word for it – here's what users think about Runconvert.
Saved me hours of work
I had to convert multiple PDFs to Word for editing. This tool made it so easy and preserved all the formatting perfectly. The batch processing feature is a game changer.
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Professional quality
As a graphic designer, I need reliable conversion tools. This site delivers professional quality every time. The image conversions maintain resolution and color accuracy.
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Fast and reliable
I've tried many conversion tools but this one is by far the fastest and most reliable. No watermarks, no quality loss, and the interface is so intuitive.
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