mp4 to avi Converter
Convert MP4 video clips into AVI animations or files locally in your browser. Absolutely secure—no files are uploaded to any server.
Select video source & options
Upload a .mp4 video or paste a URL, then configure your conversion parameters.
Import Video
Select a local MP4 file or paste a direct video link. The file size is processed fully locally.
Customize Parameters
Set starting time, output resolution width, and frame rates. Cap duration to optimize performance.
Download Result
FFmpeg converts frames locally into the selected AVI format for instant saving.
About the Conversion
MP4 to AVI Conversion
This tool converts MP4 (MPEG-4 Part 14) files to AVI (Audio Video Interleave) format fully in your browser. The most widely supported digital multimedia container. It offers an excellent balance of high compression efficiency and high visual quality across almost all platforms, operating systems, and devices. By converting to AVI, you take advantage of outputs a legacy avi video file for compatible windows and archival workflows.
Privacy-First Processing
Unlike traditional online converters that upload your media files to third-party servers, this converter runs 100% locally in your browser using WebAssembly technology. Your files are never exposed, sent over the network, or saved elsewhere.
Source format
What is MP4?
MP4 is a multimedia container that can hold video, audio, subtitles, and metadata in one broadly compatible file.
Advantages
- Plays on nearly every modern device, browser, and social platform.
- Offers a strong balance of video quality and file size.
Limitations
- Quality can be reduced when a video is re-encoded with lossy codecs.
- Its codec and container options are less flexible than formats such as MKV.
Output format
What is AVI?
AVI is a legacy Microsoft multimedia container that can store video and audio encoded with many different codecs.
Advantages
- Supported by many older Windows applications and workflows.
- Can preserve high-quality video when paired with an appropriate codec.
Limitations
- Files are often much larger than equivalent MP4 or WebM files.
- Its aging design is poorly suited to web playback and modern streaming.
Help improve this converter
Real user feedback will appear here as it is collected. Share what worked, what did not, and the browser or stream type you used so the tool can become more reliable.
Quick Navigation