Display iFilter Plugins With SearchFilterView

Martin Brinkmann
Feb 13, 2010
Updated • Jul 10, 2016
Search, Software

SearchFilterView is a free software program for Microsoft Windows that lists all installed search filters of the computer in its interface when you run it.

The Windows operating system, or more precisely the Windows Indexing Service and Windows Desktop Search, use so called iFilters to index the names of files on storage devices but also their content.

Several iFilters come preinstalled with the operating system. Windows 7 for instance supports mime, html, document, plain text and binary handlers by default with the option to install additional iFilters to make the contents of other file types such as Adobe PDF, email or hlp searchable.

These filters make Windows search more useful for users who want files returned not only when the name matches but also when the content of the file matches.


SearchFilterView is a new Nirsoft application that lists the installed iFilter plugins of a version of the Windows operating system. It is compatible with all versions and editions of Microsoft Windows including Windows 10.

The portable software program displays the installed iFilter plugins automatically after you start it up.

The interface is separated into two panes. The top pane lists the ifilters present on the computer, the lower pane the file extensions that the selected iFilter supports.

Each iFilter is listed with its file name, description, version, product name, company, path and several other parameters in the top pane.

The registered file extensions in the lower pane are listed with the extension, the name of the associated file, a description, and content type.

The software offers the default Nirsoft reporting options. It is possible to create HTML reports from a a selection or all filters, and to save selected items to the local computer system.

Another interesting function is the ability to add or remove extensions from installed iFilters. This can be handy for instance if two iFilters support the same file extension. If you run into a conflict, you may use the delete feature to resolve it.

Closing Words

SearchFilterView is compatible with 32-bit and 64-bit editions of the Windows operating system. This includes support for Windows XP, Windows Vista and Windows 7. The program can be downloaded from the Nirsoft website.

An alternative to SearchFilterView is iFilter Explorer.

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