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Avanti GUI is a free front-end for FFmpeg with the option to insert Avisynth as pre-processor. It can be used with almost all Windows OS builds of FFmpeg (with Avisynth support). It offers user friendly control over all basic and advanced FFmpeg options. A number of template examples are included. There's no need to be familiar with Avisynth to use the predefined Avanti/Avisynth pre-processor options. Requires ffmpeg.

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Avanti screenshot
Latest version

0.9.2 (May 8, 2015)


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Download Avanti 0.9.2  1MB  Win  Portable

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Software License

Freeware (Free download and usage!)

Supported operating systems


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

AVANTI 0.9.2 -- FFmpeg/Avisynth GUI -- Changelog 08-04-2015.
1. Added FFmpeg process priority adaption for slow machines.
2. Added -no_check to -new option to bypass error checking.
3. Added FFplay preview alternative for processed clips.
4. Added FFplay preview to web protocol and dshow device.
5. Adapted source properties for vgtmpeg multiple inputs.
6. Fixed metadata issue at web download (web protocol).
7. Fixed occasional error after FFmpeg version switching.
8. Fixed frozen gui window issue at FFmpeg launch delays.
9. Fixed script path error on ifo_path command.
10. Fixed failing metadata dump if FFmpeg not at default path.
11. Fixed reporting of user command line vs. script usage.
12. Updated FFmpeg database with latest codec/format additions.
13. Updated chm context help for changes and additions.

View full changelog

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Acronyms / Also Known As

Avanti GUI, AvantiGUI

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14 reviews, Showing 1 to 5 reviews

Rating by Swedaniel on Nov 17, 2023 Version: 0.9.2 OS: Windows 10 64-bit Ease of use: 10/10 Functionality: 10/10 Value for money: 10/10 Overall: 10/10

Note from the developer,

Please be careful with version 0.9.3 if you want to use the batch conversion option or better wait for a revision. Please read this post...

Chris K (developer of Avanti)

Review by Chris K on May 9, 2015 Version: 0.9.3 OS: Windows 7 Ease of use: 5/10 Functionality: 5/10 Value for money: 5/10 Overall: 5/10

Software hungs on windows 7 64 bits after you click for the convertion to start.

Note:- 0.7.9 work fine.

Review by ABBrittain on Jul 16, 2014 Version: 0.8.0 OS: Windows 7 64-bit Ease of use: 1/10 Functionality: 1/10 Value for money: 1/10 Overall: 1/10

Just loaded version 071 on my Windows 7 Ultimate, 64 bit computer and I ran into the following problems which seem to plague a lot of people. I found a fix on my computer by moving the folder to my desktop and almost everything cleared up. I believe the following problems were caused by the path being too long or too complex because the folder and all presets, plugins, etc are located at C:\users\bud\desktop\avanti. This has a shorter name than C:\standalone programs\avanti 71 where it was and you will notice the names all conform to the 8 character or less of old. The old location does not. I have had similar problems in programming languages used on Windows 7 that would only use short names intermittently.

The following problems all disappeared after moving the folder so you may want to try a shorter path location (C:\avanti) if you have problems.

1. Would not launch (Stayed with intitial little AVANTI flash box on screen)
2. Start process did nothing or ran preview no matter what avs script used
3. Source 1 and source 2 folder icons would not launch directory list.
4. User Video Options did nothing during processing.
5. Would not find valid combination of AVISynth /FFmpeg (Reduced FFmpeg's long name from
"C:\Standalone Programs\FFmpegNew with audio volume graph\ffmpeg-20130110-git-7e5c5fa- win32-static")

Only failure left is Autocrop.dll plugin will not be found unless it is used as "loadplugin("\path\autocrop") but I can live with that . This is a great tool again for me.

Review by budman1 on Jan 20, 2013 Version: 071 OS: Windows 7 64-bit Ease of use: 8/10 Functionality: 7/10 Value for money: 10/10 Overall: 8/10

Updated from 0.5.4 which worked under Windows 7 x64, to 0.5.5 which I can't get to launch on two machines running Windows 7 x64. Will have to go back to 0.5.4 if I'm going to use it.

Review by mail2tom on Apr 12, 2011 Version: 0.5.5 OS: Windows 7 64-bit Ease of use: 9/10 Functionality: 9/10 Value for money: 10/10 Overall: 9/10

14 reviews, Showing 1 to 5 reviews

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