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Find and Replace (FNR) vs grepWin: catalog facts
Find and Replace (FNR)	grepWin
Best for: Bulk text replacement across a folder of files on Windows	Best for: Windows users who need bulk regex search and replace in files
Free Free and open source under the MIT licence.	Free Free and open source under the GPL-3.0 licence.
Windows	Windows
Replaces text across many files in a single run Regular expression support for pattern matching All 3 strengths for Find and Replace (FNR) Replaces text across many files in a single run Regular expression support for pattern matching Handles large numbers of files quickly	Regular expression search and replace across many files Explorer context menu entry for quick searches All 4 strengths for grepWin Regular expression search and replace across many files Explorer context menu entry for quick searches Saved presets for common expressions Filters by file size and type
Windows only No published GitHub releases; installation through package managers such as Scoop	Windows only Requires Windows 10 22H2 or later
Downloadable app	Downloadable app
Open source	Open source
License: MIT	License: GPL-3.0
No account needed	No account needed
Offline features available	Offline features available
Official website Full listing and sources Sources for Find and Replace (FNR) github.com/zzzprojects/findandreplace Catalog checked October 2, 2026	Official website Full listing and sources Sources for grepWin tools.stefankueng.com/grepWin.html Catalog checked October 2, 2026

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