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AviSynth+

RECENTLY UPDATED
AviSynth+ is a fork of the well-known frameserver featuring new functionality and optimizations not available in mainline. In the hope of modernizing AviSynth to meet present day needs and expectations, the project encourages everybody to help reach our goals: add long-sought features, energize the community, and improve developer and user friendliness. AviSynth+ is fully compatible with plugins and scripts written for AviSynth.

Free software
OS: Win Mac
File size: 39MB
Old versions
Version history
Alternative software
8.1/10
6 votes
Rate it




Screenshots

AviSynth+ screenshot
Latest version

3.7.5 (April 21, 2025)



Download


Visit developer's site

Download AviSynth+ 3.7.5 Windows  39MB  Win Win

Download AviSynth+ 3.7.3 Mac 64-bit  3MB  Mac64 Mac

Download AviSynth+ 3.7.3 Mac ARM 64-bit  2MB  MacARM64 Mac




Download other versions

Download AviSynth+ 3.7.5 Windows ARM 64-bit  5MB  WinARM64 Win




Download old versions


Download AviSynth+ old versions Archive Archive



Software License

Free software / FOSS (Free and Open Source Software)



Supported operating systems

Windows Win Mac OS Mac




Version history / Release notes / Changelog / What's New


AviSynth+ 3.7.5

Hotfix release for YtoUV and non-x86 platforms

CMakeLists.txt: if CMAKE_BUILD_TYPE isn't set, use Release
Update build.yml, retire unsupported 20.04, add 24.04
Fix an llvm syntax warning.
rstdoc: update change log
Bump to IF v11.1: Fix AVS_Value 64 bit data member declaration for 64 bit non Intel (X86_X64) systems.
rstdoc: open 3.7.5 change log, add Raspberry pi stuff to posix.
Fix gcc compilation warning
Fix: resizer crash for non-intel (e.g. aarch64), regression in 3.7.4
Fix #434: YtoUV crash, regression since 61d2c9a
Add pkgconf->cmake detection fallback message for SoundTouch
avisynth+_arm64.iss: assorted fixups
plugins/CMakeLists.txt: fix VDubFilter build check
Remove upx.exe from the source tree

View full changelog




All features


Changes compared to AviSynth

64-bit version available
Faster script startup and substantially faster core filters
Support for multiple ("shadow") plugin directories
Autoloading of C-plugins
Script language extensions, with support for multiline conditionals and loops.
Improved still image support and TimeStretch

Developer features

Easy and fast compilation, with current compilers
2x increased compilation speed
Improved debugging experience
Leaner and more logical project structure
Large parts of the code refactored




Sections/Browse similar tools






Alternative to AviSynth+

(Latest version updated)

Avisynth  (May 17, 2016)







Guides and How to's




Acronyms / Also Known As

AviSynth Plus, AviSynthPlus, Avisynth MT




Notify me when software updated or report software

Email me when it has been updated    Report this software (dead link/new version)  




6 reviews, Showing 1 to 5 reviews


Thank you very much. Good works..

Review by Edi on May 21, 2020 Version: 3.6.0 OS: Windows 10 64-bit Ease of use: 10/10 Functionality: 10/10 Value for money: 10/10 Overall: 10/10




Below posted on doom9 forum, avs+ thread in devs.

"Just checked, VideoHelp now hosting current AviSynth+ 3.4.0 Portable 7z file. [SHA-1 matches that on Github]."

Thanks Moderator, everything hunky-dory now.

Avisynth+, is fan-dabby-dozy :)


Review by StainlessStephen on Nov 22, 2019 Version: 3,4,0 OS: Windows 7 Ease of use: 10/10 Functionality: 10/10 Value for money: 10/10 Overall: 10/10




Here post from Doom9 on Portable version.

[QUOTE=qyot27;1889452]I've uploaded a plain 7z portable for 3.4.0 (well, technically, r2925 built from master, but the extra commit* only touched the READMEs, it's still otherwise-identical to 3.4). I also removed the GCC archive since videohelp still was (or, [i]is[/i] at this time of writing) pointing at it as a 'portable' even when that was not the intention.

*the other's just the merge commit for that one change[/QUOTE]

[QUOTE=StainlessS;1890873]VideoHelp is actually providing a zip file GCC version as portable version, here [[B][COLOR="Red"]DO NOT DOWNLOAD Portable version[/COLOR][/B]]:- [url]https://www.videohelp.com/software/AviSynth-Plus[/url]

I reported the post with this message (limited in length), so hopefully it will be removed as an option from the VH post.[/QUOTE]


Review by StainlessStephen on Nov 20, 2019 Version: 3.4.0 Portable OS: Windows 7 Ease of use: 1/10 Functionality: 1/10 Value for money: 1/10 Overall: 1/10




Thank you very much.. Required for StaxRip convert. Good work.

Review by TechnoMan on Oct 21, 2019 Version: 3.4.0 OS: Windows 7 64-bit Ease of use: 10/10 Functionality: 10/10 Value for money: 10/10 Overall: 10/10




Wish this is implemented in other FOSS Video Editors (Blender VSE or Shotcut)

Review by TA 213 on Dec 19, 2017 Version: r2574 OS: Windows 10 64-bit Ease of use: 7/10 Functionality: 10/10 Value for money: 10/10 Overall: 10/10


6 reviews, Showing 1 to 5 reviews

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