Free AVI to MP4 Converter Online
Make your video easier to play, upload, and share. Convert AVI to MP4 online, with support for uploads up to 20GB and no desktop app required.
Drag & Drop your AVI file here
MP4, MOV, AVI, MKV, WebM, and other supported video formats, up to 20GB
Files stay private.
Automatically deleted after 24 hours.
Link 20GB upload limit.
5.0/5
Trusted for 1,827,796+ conversions
HOW IT WORKS
Convert AVI to MP4 in three steps
A simple three-step workflow for turning your file into the format you need.
01
Select AVI files
Drag and drop or upload the AVI files you want to convert to MP4.
02
Start to MP4
Choose MP4 as the output format and start the conversion.
03
Get your MP4
Download each MP4 file as it finishes, or collect batch results together when a zip download is available.
AVI
AVI is a long-standing Microsoft video container used by older cameras, software, and Windows workflows. It can carry many codecs, but AVI files are often larger and less convenient for modern web and mobile playback.
MP4
MP4 is one of the most widely supported video containers for web, mobile, social media, presentations, and everyday playback. It balances quality, compatibility, and file size well when paired with common codecs.
USE CASES
Use Cases for AVI to MP4
When a MP4 file fits the next step better than the original AVI.
Modernize old AVI camera footage
Convert older AVI videos to MP4 so they are easier to watch on current phones, laptops, browsers, and media players.
Reduce friction when sharing large legacy videos
AVI files can be cumbersome to send. An MP4 version can be more practical for cloud links, email alternatives, and client delivery.
Upload archived AVI clips to social media
Most social publishing tools are built around MP4. Convert a legacy clip before posting it.
Watch old AVI files on a phone or tablet
Mobile apps may not support the codec inside an AVI. MP4 is a more common target for everyday playback.
Move AVI content into a browser editor
If an online editor rejects AVI, convert the file to MP4 before uploading it to the project.
Embed old video on a website
Create an MP4 copy of an AVI archive when you need to publish the footage through a CMS or HTML5 player.
Prepare AVI clips for cloud storage previews
Cloud drives often generate better in-browser previews for common MP4 video than for legacy AVI files.
Use an old AVI in a modern presentation
Convert the clip to MP4 before inserting it into PowerPoint, Keynote, or a web-based slide deck.
Standardize a digital video archive
Create MP4 access copies while keeping original AVI files when you want easier browsing without discarding the source.
Send legacy footage to a client or family member
An MP4 copy avoids asking the recipient to troubleshoot old codecs or install another media player.
MORE AVI TOOLS
Explore our other video operations
AVI (Audio Video Interleave) is a multimedia container format introduced by Microsoft. It enables the synchronization of audio and video streams effectively, supporting various codecs for diverse media playback. Ideal for high-quality video recording, AVI files deliver impressive visual and audio fidelity, making them a preferred choice for multimedia enthusiasts and professionals alike.
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Auto-delete in 24h
WHY DRAGDROPDO
Built to be quick, safe, and free
Convert AVI files in the browser with a simple workflow designed for privacy, compatibility, and fast handoff.
Private by default
Files are encrypted in transit and automatically removed after 24 hours.
No install required
Run the conversion in your browser — no desktop app and no sign-up wall to get started.
Cloud import
Pull supported files from Google Drive and keep working without downloading them locally first.
Share & download
Download finished files, collect batch results as a zip, or use available share-link and QR options for handoff.
FAQ
Frequently Asked Questions
Answers to common questions about dragdropdo's AVI to MP4 converter.