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Free Diff Checker Alternatives

The best free alternative to Diff Checker is WinMerge, which is also Open Source. If that doesn't suit you, our users have ranked more than 25 alternatives to Diff Checker and many of them is free so hopefully you can find a suitable replacement. Other interesting free alternatives to Diff Checker are KDiff3, Compare, FileMerge and WinMerge 2011.

Diff Checker alternatives are mainly Diff Tools but may also be Merge File Tools. Filter by these if you want a narrower list of alternatives or looking for a specific functionality of Diff Checker.
This page was last updated Jun 2, 2022
  • Mac
  • Windows
  • Linux
  • Online

Diff Checker is a free online diff tool that quickly and easily gives you the text differences between two files.

Learn more about Diff Checker

  1. WinMerge is an open source differencing and merging tool for Windows. WinMerge can compare both folders and files, presenting differences in a visual text format that is easy to understand and handle.

    File Comparison
  2. KDiff3 icon

    KDiff3

    • FreeOpen Source
    • Mac
    • Windows
    • Linux

    KDiff3 is a file and directory diff and merge tool.

    Screenshot


  3. Compare icon

    Compare

    • FreeOpen Source
    • Windows
    • Notepad++

    Comparison plugin for Notepad++ editor.

    Screenshot
    Compare vs Diff Checker opinions
    pros, cons and recent comments

    diff checker is an image comparison tool specifically

    Negative comment over 1 year ago
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  4. FileMerge icon

    FileMerge

    • FreeProprietary
    • Mac
    • Xcode

    FileMerge lets you compare one file to another or one directory to another and merge the files or directories together.

    Screenshot
  5. WinMerge 2011 icon

    WinMerge 2011

    • FreeOpen Source
    • Windows
    • PortableApps.com
    • Wine

    WinMerge 2011 series is a fork of the original WinMerge application that compiles without ATL/MFC dependencies to enable zero-budget developers to build WinMerge from sources using Visual C++ Express editions.

    Screenshot


  6. WinMerge JP icon

    WinMerge JP

    • FreeOpen Source
    • Windows

    WinMerge JP is a fork of original WinMerge that incorporates many own features including 3-way compare, high DPI support and many more.

    Screenshot
  7. GNU Diff Utilities icon

    GNU Diff Utilities

    • FreeOpen Source
    • Linux

    GNU Diffutils is a package of several programs related to finding differences between files.

    No screenshots yet
  8. DiffMerge is a graphical file comparison program for Windows, Mac OS X and Unix, published by SourceGear.

    Discontinued

    The program is no longer updated. Last version, 4.2.0, released in October 2013, can be still downloaded from the official website

    Screenshot
  9. Kompare icon

    Kompare

    • FreeOpen Source
    • Linux
    • KDE

    Kompare is a graphical diff and merge tool targeting developers. It allows users to compare two different text files or two directories.

    Screenshot
  10. Diffuse is a small and simple text merge tool written in Python. With Diffuse, you can easily merge, edit, and review changes to your code.

    Screenshot
    Diffuse Merge Tool vs Diff Checker opinions
    pros, cons and recent comments

    It's fully free and open source

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Showing 10 of 27 alternatives