Resize AVI Videos Online, Free
Resize legacy AVI video files to any resolution. 100% in your browser — no uploads required.
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How to Resize an AVI File
- Drop your AVI files — Drag and drop or select AVI videos from your device.
- Choose your target resolution — Select 1080p, 720p, 480p, or custom dimensions.
- Download instantly — Click “Resize” and download your resized AVI files.
Why Resize AVI Videos?
- Reduce massive file sizes — AVI files, especially uncompressed or DV-encoded ones, can be very large. Resizing to a smaller resolution significantly reduces file size.
- Modernise legacy footage — Resize old AVI recordings to standard resolutions for use in modern editing software.
- Prepare for sharing — Downscale large AVI files to make them practical for uploading, emailing, or streaming.
- Surveillance footage — Many security cameras record in AVI. Resize clips for sharing or archival.
About the AVI Format
AVI (Audio Video Interleave) was introduced by Microsoft in 1992. Despite its age, it remains in use for specific workflows and legacy compatibility.
- Video codecs: DivX, Xvid, MJPEG, H.264, uncompressed
- Audio codecs: PCM, MP3, AC3
- Compatibility: Windows-native; plays on most platforms
- Best for: Legacy systems, surveillance, video capture
For modern use, consider MP4 or WebM formats. Also available: image resizer and PDF resizer.
Other Resizer Tools
Frequently Asked Questions
- What is AVI format?
- AVI (Audio Video Interleave) is a multimedia container format developed by Microsoft. It's one of the oldest video formats and is still used in some legacy systems, surveillance cameras, and video editing workflows.
- Should I convert AVI to MP4?
- For most modern use cases, MP4 is preferred — it offers better compression and universal compatibility. However, if your workflow requires AVI, our tool preserves the format while resizing.
- Why are AVI files so large?
- AVI files can use various codecs, some with minimal compression. Uncompressed or DV-encoded AVI files are especially large. Resizing to a smaller resolution reduces file size significantly.
- Can I resize old AVI files?
- Yes, as long as your browser can decode the codec used. Most common AVI codecs (DivX, Xvid, MJPEG, H.264) are supported by FFmpeg WebAssembly.