Script-based frameserver for video editing and processing
Publisher’s description
What is AviSynth?
AviSynth by GPL Public release. is open-source Windows software.
Installation and requirements
The publisher provides EXE (NSIS) installers for 64-bit Windows. The main installer is 6.5 MB. It needs Windows 10 or newer. A silent install is possible with the installer’s documented switches.
Pros / Cons
Pros
- Open source: the code can be inspected and built by anyone
- Documented silent install
- Small download (6.5 MB)
Cons
- No native ARM64 build
- No update for more than a year
In short: AviSynth is an open-source Windows tool for 64-bit PCs. Updates have slowed down. Administrators can deploy it unattended.
Is AviSynth safe to download?
- The file is served by sourceforge.net; check that it is the publisher’s official mirror
- The download link uses HTTPS
- A SHA256 hash is published, so you can verify the file:
A68272DB4B475E720EDE626C81D750B75AD585F18E0DA766301372BBC48A3801· Open the VirusTotal report for this hash - The link answered when we last checked it (October 22, 2026)
- The source code is public
- ExeAtlas does not host, wrap or modify installers
Related guide: How to check a file’s SHA256 hash on Windows
Recent versions
All 1 versions ›| Version | Date | Size | Files |
|---|---|---|---|
| 2.6.0.6Latest | July 6, 2021 | 6.5 MB | 64-bit EXE (NSIS) |
Install from the command line
Silent install ›winget install --id AviSynth.AviSynth -edownload /SRelated guide: How to use winget: install and update apps
Information
- Publisher
- GPL Public release.
- Licence
- GPLv2
- Price
- Free
- Requires
- Windows 11 / 10 (Windows 10+)
- Architecture
- 64-bit
- Installer
- EXE (NSIS)
- Version
- 2.6.0.6
- Released
- July 6, 2021
- Added to the catalogue
- July 6, 2021
- Versions listed
- 1
- Website
- avisynth.org
- winget ID
- AviSynth.AviSynth
Ratings and reviews
No reviews yet. Be the first to rate it.
Frequently asked questions
Is AviSynth free?
Yes. AviSynth is open-source software under the GPLv2 licence.
Is AviSynth safe to download?
The download comes from sourceforge.net; ExeAtlas does not host or change the file. Compare its SHA256 hash with the one shown here, or open the VirusTotal report for that hash.
How do I install AviSynth with winget?
Open PowerShell or Windows Terminal and run the winget command shown on this page. winget downloads the official installer and checks its SHA256 hash before running it.
Can AviSynth be installed silently?
Yes. The silent install page lists the exact command for each installer.
Which Windows versions does AviSynth support?
The installer requires Windows 10 or newer and is available for 64-bit.
Does AviSynth run on ARM (Windows on Arm)?
There is no ARM64 build; Windows 11 on Arm can run the 64-bit version through emulation.