dnGrep allows you to search across files with easy-to-read results. Search through text files, Word documents, PDFs, and archives using text, regular expression, XPath, and phonetic queries. dnGrep includes search-and-replace, whole-file preview, right-click search in File Explorer, and much more.

Features:

Requires .NET 4.0 (included with Windows 8 and beyond, get it for earlier versions here).

Main Screen:

Options:

Shell Integration: