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RadLight Filter Manager allows you to change merit of DirectShow filters and it can also be used to list all registered codecs and to register or unregister codecs.

Free software
OS: Win
File size: 206KB
Portable version
Old versions
Version history
1 vote
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RadLight Filter Manager screenshot
Latest version

1.6 (June 5, 2007)


Visit developer's site

Download RadLight Filter Manager 1.6  206KB  Win  Portable

Download old versions

Download RadLight Filter Manager old versions

Software License

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

Supported operating systems


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

RadLight Filter Manager v1.6 can be downloaded from the members area (source code and executable), or, since it is free and open source, by using the following links:


Delphi 7 Source Code

- Rewritten several parts by using faster and more flexible data containers (derived from TList)
- Empty categories are not shown anymore
- Added handling of environment variables in paths (Movie Maker filters under Vista)
- Added handling of filenames without path ( under XP/Vista, quartz.dll under Vista)
- Essential filter files (those without path and additionally quartz.dll under XP) cannot be unregistered anymore.
- Displays a message box if admin rights are missing (e.g. for registering)
- Added Refresh, Navigate and Save Category as Text File commands to popup menu
- Added right-click selection of tree nodes
- Added hints for some buttons
- Added file version as filter subnodes and in category text files
- Larger default width/height
- Faster memory management with FastMM4
- Removed BlackList Tab (we've enjoyed this joke long enough...)

View full changelog

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Acronyms / Also Known As


Download RadLight Filter Manager Portable download from the Download links under Download and Download other versions!

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1 reviews, Showing 1 to 1 reviews

Haven't tried registering and unregistering directshow filters with this-used it for changing merit of filters
what was happening
1. I could play h.264 files encoded with mainconcept demo encoder only through graphedit.
2.I could not use my beautiful elecard mpeg2 decoder (with postprocessing and double dct precision available) for playing mpeg1 files except in graph edit.
what i wanted h.264 files in media player mpeg1 files also through the elecard decoder
what i did
1. Set merit of Mainconceptdemo mpeg splitter to highest rating-Elecard mpeg splitter to do not use (merit values set by software as per my rating)
2.Set merit of elecard mpeg2 decoderto highest-all other mpg1 decoders to do not use.
what i wanted happened
You need to understand what you are doing and to do one change at a time after noting all the initial settings.
Think it can resolve codec problems caused by codec packs-provided you use graphedit to find out what needs to be done -by manually creating working graphs and then use this tool.

Review by mgh on Mar 17, 2005 Version: 1.4 OS: Win98 Ease of use: 8/10 Functionality: 10/10 Value for money: 10/10 Overall: 10/10

1 reviews, Showing 1 to 1 reviews

1 tool hits, Showing 1 to 1 tools

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Our hosted software are virus and malware scanned with several antivirus programs using (NOTE! Just one virustotal warning is 99.9% a false positive. And some software might receive 2-6 warnings but it's if they are not all same virus/trojan then it's 99% false positives.)

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