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AvsPmod is a text editor built for AviSynth, a video scripting language. AvsPmod is built on the discontinued AvsP project. Requires AVISYNTH installed.

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Latest version GPo / 2.5.1 (November 10, 2019)


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Download AvsPmod GPo  9MB  Win  Portable

Download AvsPmod GPo 64-bit  11MB  Win64  Portable

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Download AvsPmod 2.5.1 Portable  8MB  Win  Portable

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Download AvsPmod old versions

Software License

Free software / FOSS (Free download and also Free and Open Source Software)

Supported operating systems


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Version history / Release notes / Changelog

Version [2019-11-10] GPo
- changed WM_COPYDATA
- Added changes from r2 and r3 release

Version [2019-09-05] GPo
- Bugfix filename "Quick save Image"
---- Quick save filename stores the last saved name (Save Image as...)
---- Quick save filename does reset to default (Option>Save/Load>"Image default filename pattern") on Startup and any Tab close
---- Save Image as... resets always to default filename
---- To apply a desired file name:
--------- You must first save the image with "Save Image as ...".
--------- The file name is then used for "Quick save Image".
- Zoom increased to 40x
- Update ffmpg.presets and x264.presets

Version [2019-08-10] GPo
- Bugfix zoom video window
- Encoder gui and ffmpeg.presets update
Note: In the AvsPmod 'tools' directory the 'encoder_gui.pyo' has to be deleted

Version [2019-07-22] GPo
- Added middle mouse button behavior on the script can be changed. options>misc (now default: show frame if script not empty)
- Added tab context 'Tab change load bookmarks' enables, disables temporal the function
- Added video info 'bits_per_component' (bitdepth), see option>video>customize the status bar %BIT
- Added indicator if the pixelinfo (RGB, YUV, HEX) returned from avisynth or display, it's from display an asterisk is shown *
- Removing annoying and unneeded force script update after saving the script.
- a few other code changes

Version [2019-07-20] GPo
- Bug fix: RGB48 planar, RGB64 planar displayed values wrong
- Some small changes I do not remember ;)
r2 - Added show pixelinfo on tab change with keyboard, if mouse pos in video window

Version [2019-02-05] GPo
- Known issues with the Avisynth V6 header fixed.

Version [2019-01-25] GPo
- Bug fix: 32bit Version crashes
- Bug fix: YUV values can be wrong.
- Bug fix: 'Add tab to group' from context or video menu resulted in an error.
- Change the handling of plugins dir. There should never again problems.
- Error handling if avisynth.dll can not load. Source from vdcrim.
Change the db click behavior on video window, if video smaller than the window height,
script window expands the height full (not only to the set minimum lines count).

Version [2019-01-07] GPo
Bug fix version

Version [2019-01-04] GPo
- Added to Trim Editor the option 'Single clips' with custom prefix, this insert c0=Trim(?,?),?) commands.
- Added to frame text field Context Menu 'bell at bookmarks' and 'highlight bookmarks',
--- make a sound or highlight the slider if the current frame in the bookmarks. Also added 'set highlight color...'.
- Added to Option menu 'Make fonts and colors backup' and 'Load fonts and colors backup', you can copy the 'backup_style.dat' file
--- created in the AvsP directory into a different AvsP directory and when loading only the text style and color will be changed.
- Change 'Video > Save view pos on tab change' default now checked false.
- Fixed: frame text field set wrong color or does not update the color if bookmark added or deleted with right mouse button on the slider.
- Trying to cancel the script if the message 'Error requesting frame' in a non-ending loop. You must press 'Cancel' on the message box.
--- try first 'OK', only press 'Cancel' if the message in an non-ending loop, but if the system out of memory, nothing helps!
--- at this error, if you press 'Cancel', the session and script is saved as ', _LastErrorScript.avs' in the AvsP program folder. Hopefully.;)
--- !!! On my test, however, (paranoid mode is not for me)
------ 'OK' was not always the best choice, when you trying to freeing the memory manuele Freezes AvsP and you have no chance to save the script.
- Trying to fix some rare bugs and other changes.

Version [2018-12-25] GPo
only source published

Version [2018-12-08] GPo
- AvisynthPlus (pinterf) fork Neo r2822 compatible, added 'func' to avisynth value parsing

Version [2018-11-17] GPo
- Removed wrong Rec2020 display conversion. Sorry.
- Removed 'Restore bookmarks'
- Improved status bar flickering.
- Improved DoubleClick event on video window, reduced flickering on the bottom
- Improved add 'New Tab' flickering if the script is loading or copying
- Added 'Options > Misc > On first script load bookmarks from script'. If tab count 1, automatically load bookmarks from script.
- Added 'Options > Misc > Tabs changing load bookmarks from script'. Automatically load bookmarks from script if tab is changed.
--- in one session each script can now have its own bookmarks.
- Added 'Video > Save view pos on tab change', saves, restores the XY display coordinates on tab change if the clip not in the same group.
- WndProc features expanded, AvsPmod can receive WM_COPYDATA

Version [2018-11-06] GPo
- Changed, Bookmarks now in SubMenus 'Video > Bookmarks', added Menus' Bookmarks to script' and 'Bookmarks from script',
--- also added to Tab Context menu ' Bookmarks to script' and 'Bookmarks from script' and 'Restore bookmarks' last one is beta.
--- 'Restore bookmarks':
------ if you delete all bookmarks at once, the current script stores first the global bookmarks, and you can restore this bookmarks to globals.
------ In the future maybe more or I will delete it. (it's experimental) You do not have to use it.
- Changed 'Options > Video > Error message font', font color is now saved, drawback: button will never shown the selected font.
- Add YUV to RGB display conversion for Rec2020 (TV level).
- Added format detection for avs_plus colorspaces.
- Add WndProc for custom messages from and to other programs. Win User only. see 'AvsPmod_WndProc.txt'
- Fixed a few unimportant bugs

Version [2018-09-29] GPo
- Add Execute macro-file automatically when a avs file over cmd is processed, file must be located (rename it) in programmacrosstartup_avs.pys
- Add Execute macro-file automatically when a source file over cmd is processed, file must be located (rename it) in programmacrosstartup.pys
- Add Execute macro-file within comandline '-em': AvsPmod "G:VideoStar.avs" "-em D:AvsPmodmacrosMyHidenMacro.pys"
- Add If a *.py or *.pys file is passed as an argument via cmd, or with the file open dialog, it will be treated as a macro (Execute Macro),
--- same behavior as with parameter -em, except file ext must be .py or .pys
- Add comandline parameter -sf, -sf 212 force AvsPmod to show the frame number 212 after startup
- Change the checked status "Video > Play video > Drop frames" now at startup checked=False
- Add "Option > Save/Load > Ask to save the script at program exit > Only when script exists"
- Add Menu "Edit > Toggle text wrap"
- Add Menu "Video > Toggle extended left move" - allows the video display to move more to the left (important to me)
--- video must be wider than half window width and no zoom fit or fill may be set.
- Error handling on AvsPmod x64: Error "FormatTime - %d cannot convert float" (only handling no fix) - avisynth returns NaN value, no idea how I can fix this
- This makes me happy;), add DoubleClick event on video window, toggle min script lines "0, default"
- Add Zoom with left mouse button down and wheel rotation (default control down and wheel rotation) I am a mouse junkie..)
- Add Already existing option "invert wheel direction for scrolling the tabs" inverts also zoom wheel direction
- Add "Option > Video > Mouse Wheel Function" - Tabs scrolling default, Frames steps (I have with wheel frames steps no problems)
- Add "Option > Misc > Invert scroll wheel direction (Frame)", also change text "Invert scroll wheel direction (Tabs, Zoom)"
- Add Toggle the zoom (100%, 200%) with left button pressed and right button click. If zoom is fit or fill or <> 100%, zoom does change to 100%
- Changed zoom save at program exit, only 100%, fit or fill is now saved. Also limit the mouse wheel zoom factor min,max: 0.10, 20.0
- Improved on some functions displayed cursor wait status, clearer indication "program processed, picture is not ready"
- Change the frame number-Text Field Context Menu click event, on click shows now the selected frame number, no keyboard key 'enter' needed
- A bit of the German language file edited, well.
- Some other changes

View full changelog

Sections/Browse similar tools

Alternative to AvsPmod

AviSynth Batch Scripter


Guides and How to's

Acronyms / Also Known As

AvsPmod, AvsP

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11 reviews, Showing 1 to 5 reviews

what Crap is this... not able to run

i already installed Avisynth..still its not working

Post #9 by MilesAhead
yes same here pops up some window and closes immediately on Windows7 32 bit..
No previous or latest version working.

Here's Error log -

[Sun Apr 17 16:57:38 2016]
Traceback (most recent call last):
File "", line 43, in
File "avsp.pyo", line 18060, in main
File "wx\_core.pyo", line 7981, in __init__
File "wx\_core.pyo", line 7555, in _BootstrapApp
File "avsp.pyo", line 18047, in OnInit
File "avsp.pyo", line 5070, in __init__
File "avsp.pyo", line 5936, in defineFilterInfo
File "avsp.pyo", line 6360, in getFilterInfoFromAvisynth
File "avisynth.pyo", line 205, in Release
WindowsError: exception: access violation writing 0x027258C0
Exception WindowsError: (-1073741822, 'Windows Error 0xC0000002') in ignored

Review by prithvi on Apr 17, 2016 Version: 2.5.1 OS: Windows 7 Ease of use: 1/10 Functionality: 1/10 Value for money: 1/10 Overall: 1/10

I had the same problem that MilesAhead described in the post below and brought it to the attention of the developers in the doom9 download thread, and showed them an error log (it's dumped into your AvsPmod folder if there's a problem). Turns out there is a crashing problem that occurs if you don't have a dll file in the avisynth plugins folder which has an underscore in it (like mt_masktools, etc.).

They recommended as a quick fix to just rename any dll file in the avisynth plugins folder and put an underscore in it, then start AvsPmod 2.1.2, then exit, then rename the dll back like it was (I went with DGDecode.dll to DG_Decode.dll, then back). Worked like a charm.

The developers were very responsive and say they'll fix the bug pronto.

Great program; been using it for a long time, since qwerpoi started it. Thanks to the mod team for keeping it going.

Review by Squash on Apr 25, 2011 Version: 2.1.2 OS: Windows 7 64-bit Ease of use: 9/10 Functionality: 10/10 Value for money: 10/10 Overall: 10/10

2.1.2 pops up some window and closes immediately on Windows7 32 bit.. 2.1.1 and previous builds worked fine for me.

Review by MilesAhead on Apr 25, 2011 Version: 2.1.2 OS: Windows 7 Ease of use: 1/10 Functionality: 1/10 Value for money: 1/10 Overall: 1/10

I too can not get the original or this mod version to work on Win7 Home Premium. When I try to run either versions I get a popup saying errors occured and to check AvsP.exe.log and AvsPmod.exe.log respectfully, but there are no such files.

I had no issues on XP though. I didn't have to install or run anything else, I just created a shortcut to the AvsP.exe and ran it as normal.

Any help appreciated.

Review by hirouk on Jan 31, 2011 Version: 2.0.5 OS: Windows 7 Ease of use: 8/10 Functionality: 8/10 Value for money: 10/10 Overall: 8/10

AvspMod 2.0.5 DOES work flawlessly on Win 7 Home Premium (I had python installed for Blender -I don't know if that helped at all).

Review by qpdbqp on Nov 21, 2010 Version: 2.0.5 OS: Windows 7 Ease of use: 10/10 Functionality: 10/10 Value for money: 10/10 Overall: 10/10

11 reviews, Showing 1 to 5 reviews

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