AVSI file extension
The table below provides useful information about the .avsi file extension. It answers questions such as:
- What is the .avsi file?
- What program do I need to open a .avsi file?
- How can the .avsi file be opened, edited or printed?
- How can I convert .avsi files to another format?
Table of Contents
- ✅ AviSynth Script
- 🔄 .avsi file converters
- 🚫 .avsi file related errors
We hope you find this page helpful and a valuable resource!
0 extension(s) and 1 alias(es) found in database
✅ AviSynth Script

AVS file is an AviSynth Script. AviSynth acts as a non-linear video editor (without a GUI) controlled entirely by scripting. It stands as an intermediary between a digital video source, like an AVI or MPEG, and a VFW receiving program, which is typically a media player, video editing software, or an encoder.
Other types of files may also use the .avsi file extension.
🚫 The .avsi file extension is often given incorrectly!
According to the searches on our site, these misspellings were the most common in the past year:
Is it possible that the filename extension is misspelled?
We found the following similar file extensions in our database:
🔴 Can't open a .avsi file?
When you double-click a file to open it, Windows examines the filename extension. If Windows recognizes the filename extension, it opens the file in the program that is associated with that filename extension. When Windows does not recognize a filename extension, you receive the following message:
Windows cannot open this file:
example.avsi
To open this file, Windows needs to know what program you want to use to open it...
If you don't know how to set the .avsi file association, check the FAQ.
🔴 Can I change the extension of files?
Changing the filename extension of a file is not a good idea. When you change a file's extension, you change the way programs on your computer read the file. The problem is, changing the file extension does not change the file format.
If you have helpful information about the .avsi file extension, write to us!