MassReplaceIt 4.0
The Ultimate Find and Replace Utility
Get MassReplaceIt

MassReplaceIt 4.0
For macOS 10.13 and later
Apple Silicon + Intel

Released April 17, 2026

MassReplaceIt 3.1.2
For Mac OS X 10.7 - 10.12

MassReplaceIt 2.9.1
For Mac OS X 10.3 - 10.6

New in Version 4.0
  • Apple Silicon support
  • View folder hierarchies in file lists
  • Organize saved searches into folders
  • New filter types
  • Improved alias support
  • Refreshed user interface

Full list

Key Features
  • Search file contents or filenames
  • Preview changes
  • Save and reuse searches
  • Exclude files based on filter criteria
  • Detailed search results
  • Regular expression support
  • Undo changes from previous searches
Donate

MassReplaceIt is free to use, but if you find it useful please consider a donation to support continued development.

Go to version:

Version 4.0 (Apr 17, 2026)

FeaturesUser InterfaceGeneralBug Fixes

Note: MassReplaceIt 4.0 requires Mac OS X 10.13 or newer. Some AppleScript scripts may need minor changes to work with MassReplaceIt 4.0.

Version 3.1.2 (Apr 13, 2020)

Bug FixesOther improvements
Version 3.1.1 (Jan 2, 2020)

Bug Fixes
Version 3.1 (Dec 23, 2019)

FeaturesUser InterfaceGeneralBug Fixes
Version 3.0 (Sep 9, 2018)

FeaturesUser InterfaceGeneralBug Fixes

Note: MassReplaceIt 3.0 requires Mac OS X 10.7 or newer

Version 2.9.1 (Sep 12, 2006)

Bug FixesOther improvements
Version 2.9 (Jan 25, 2006)

FeaturesBug fixesOther improvements
Version 2.8.1 (October 29, 2005)

Bug Fixes
Version 2.8 (October 23, 2005)

FeaturesBug FixesOther improvements
Version 2.7.1 (Aug 8, 2005)

Bug FixesOther improvements
Version 2.7 (Jul 30, 2005)

FeaturesBug FixesOther improvements

Note: MassReplaceIt 2.7 requires Mac OS X 10.3 or newer

Version 2.6 (Jun 24, 2005)

FeaturesBug FixesOther improvements
Version 2.5.2 (Apr 30, 2005)

Bug Fixes
Version 2.5.1 (Apr 24, 2005)

FeaturesBug Fixes
Version 2.5 (Apr 22, 2005)

FeaturesBug FixesOther improvements
Version 2.2 (Feb 23, 2005)

FeaturesBug FixesOther improvements
Version 2.1 (Dec 22, 2004)

FeaturesBug FixesOther improvements
Version 2.0.2 (Dec 13, 2004)

Bug Fixes
Version 2.0.1 (Dec 11, 2004)

Bug FixesOther improvements
Version 2.0 (Dec 9, 2004)

FeaturesBug FixesOther improvements
Version 1.0 (Oct 12, 2004)