KDiff3 AlternativesDiff Tools & File Comparison Tools like KDiff3

KDiff3 is described as 'File and directory diff and merge tool' and is a very popular Diff Tool in the development category. There are more than 50 alternatives to KDiff3 for a variety of platforms, including Windows, Mac, Linux, Web-based and BSD apps. The best KDiff3 alternative is Meld, which is both free and Open Source. Other great apps like KDiff3 are WinMerge, Beyond Compare, P4Merge and Araxis Merge.

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KDiff3 alternatives are mainly Diff Tools but may also be File Comparison Tools or Folder Comparison Tools.  Filter by these or use the filter bar below if you want a narrower list of alternatives or looking for a specific functionality of KDiff3.
KDiff3 iconKDiff3
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KDiff3 is a file and directory diff and merge tool.

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KDiff3 alternatives page was last updated Feb 15, 2023
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Alternatives
  1. Meld icon

    Meld

     413 likes
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    Meld is an open-source, Python-based visual diff and merge tool that allows you to compare and edit files, supports syntax highlighting, and integrates with version control systems like CVS, Subversion, and Mercurial for dynamic diff updates. It works offline, is lightweight, portable, and ad-free.

    46 Meld alternatives

    License model

    • Free • Open Source

    Application types

    Platforms

    • Windows
    • Linux
    • BSD
    • Python
    • GTK
    File comparison

    Properties

    1.  Lightweight

    Features

    1.  Compare Source Code
    2.  Folder Comparison
    3.  Syntax Highlighting
    4.  Comparing folders
    5.  3 way merge
    6.  Ad-free
    7.  Works Offline
    8.  No registration required
    9.  One-click merging
    10.  Real Time Comparison
    11.  Portable

    Meld VS KDiff3

     
    Comments about Meld as an Alternative to KDiff3
    Guest
    Negative •Feb 2, 2020
    2

    Meld isn’t as well-suited for syncing whole directory trees.

    Guest
    Positive •Jul 29, 2020
    0

    Free, GTK-based, similar function.

    KDiff3 Icon
    Meld icon

    • Most users think Meld is a great KDiff3 alternative.

    • Meld is the most popular Windows & Linux alternative to KDiff3.

    • Meld is the most popular Open Source & free alternative to KDiff3.

    • Meld is Free and Open SourceKDiff3 is also Free and Open Source
    • Meld is LightweightKDiff3 is not according to our users
  2. WinMerge icon

    WinMerge

     546 likes
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    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.

    63 WinMerge alternatives

    License model

    • Free • Open Source

    Application types

    Country of Origin

    • US flagUnited States

    Platforms

    • Windows
    • PortableApps.com
    • Wine
    File Comparison

    WinMerge Features

    1.  Folder Comparison
    2.  Diff detection
    3.  Image-Diff
    4.  Shell integration
    5.  Extensible by Plugins/Extensions
    6.  Ad-free
    7.  Portable
    8.  Directory sync
    9.  Compare Text

    WinMerge VS KDiff3

     
  4. Beyond Compare icon

    Beyond Compare

     321 likes
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    File and folder comparison tool offering source control integration, 3-way merge support, and selective synchronization. Supports FTP, cloud, runs offline, uses simple commands for files, customization, and scripting for reporting. Lightweight, portable with CLI and built-in viewer.

    64 Beyond Compare alternatives

    License model

    Application types

    Country of Origin

    • US flagUnited States

    Platforms

    • Mac
    • Windows
    • Linux
    Folder compare

    Properties

    1.  Lightweight

    Features

    1.  Folder Comparison
    2.  File Sync
    3.  Folder Sync
    4.  Support for FTP
    5.  Full-Text Search
    6.  Syntax Highlighting
    7.  Works Offline
    8.  Portable
    9.  Built-in viewer
    10.  Command line interface
    11.  Selective Synchronization
    12. File Explorer icon  Windows Explorer Extension

    Beyond Compare VS KDiff3

     

    • Most users think Beyond Compare is a great KDiff3 alternative.

    • Beyond Compare is the most popular Mac alternative to KDiff3.

    • Beyond Compare is the most popular commercial alternative to KDiff3.

    • Beyond Compare is Paid and ProprietaryKDiff3 is Free and Open Source
    • Beyond Compare is LightweightKDiff3 is not according to our users
  5. P4Merge icon

    P4Merge

     26 likes
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    P4Merge uses color coding to allow users to visualize the differences between file or images. It allows three-way merging among files, and shows side-by-side file/image comparison.

    42 P4Merge alternatives

    License model

    • Free • Proprietary

    Application types

    Platforms

    • Mac
    • Windows
    • Linux
    P4Merge screenshot 1

    P4Merge Features

    1.  Syntax Highlighting
    2.  Works Offline
    3.  No registration required
    4.  Command line interface
    5.  Side-by-Side Comparison
    6.  Image Comparison

    P4Merge VS KDiff3

     
  6. Araxis Merge icon

    Araxis Merge

     43 likes
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    Merge is the visual file comparison (diff), merging and folder synchronization application from Araxis. Use it to compare and merge source code, web pages, XML and other text files with native application performance.

    57 Araxis Merge alternatives

    License model

    Application types

    Country of Origin

    • GB flagUnited Kingdom

    Platforms

    • Mac
    • Windows
    Overview

    Araxis Merge Features

    1.  Compare Text
    2.  Folder Sync

    Araxis Merge VS KDiff3

     
  7. Kaleidoscope icon

    Kaleidoscope

     21 likes
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    Use Kaleidoscope to spot the differences in text and image files. Review changes in seconds with the worlds most advanced file comparison application.

    39 Kaleidoscope alternatives

    License model

    Application types

    Country of Origin

    • DE flagGermany
    • European Union flagEU

    Platforms

    • Mac
    • iPad
    Kaleidoscope screenshot 1

    Kaleidoscope Features

    1.  Ad-free
    2.  Command line interface
    3.  Works Offline

    Kaleidoscope VS KDiff3

     

    • Kaleidoscope is the most popular iPad alternative to KDiff3.

    • Kaleidoscope is Paid and ProprietaryKDiff3 is Free and Open Source
  9. Meld for OSX icon

    Meld for OSX

     11 likes
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    Meld is a visual diff and merge tool targeted at developers. Meld helps you compare files, directories, and version controlled projects. It provides two- and three-way comparison of both files and directories, and has support for many...

    41 Meld for OSX alternatives

    License model

    • Free • Open Source

    Application types

    Platforms

    • Mac
    Meld for OSX screenshot 1

    Properties

    1.  Lightweight

    Features

    1.  Ad-free
    2.  Portable
    3.  No registration required
    4.  Works Offline
    5.  Syntax Highlighting

    Meld for OSX VS KDiff3

     
  10. SemanticDiff icon

    SemanticDiff

     5 likes
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    SemanticDiff is a programming language aware diff for Visual Studio Code and GitHub. It helps software developers understand code changes faster by hiding irrelevant changes, detecting moved code, and highlighting refactorings.

    47 SemanticDiff alternatives

    License model

    • Free • Proprietary

    Application types

    Country of Origin

    • DE flagGermany
    • European Union flagEU

    Platforms

    • Mac
    • Windows
    • Linux
    • Online
    Moved code blocks are highlighted.

    Properties

    1.  Lightweight

    Features

    1. Git icon  Git Support
    2.  Dark Mode
    3.  Syntax Highlighting
    4.  Ad-free
    5.  Portable
    6.  VSCode
    7.  Compare Source Code
    8.  Side-by-Side Comparison
    9.  Text Wrapping
    10. GitHub icon  GitHub Integration
    11.  Version Control Integration

    SemanticDiff VS KDiff3

     

    • SemanticDiff is the most popular Web-based alternative to KDiff3.

    • SemanticDiff is Free and ProprietaryKDiff3 is Free and Open Source
    • SemanticDiff is LightweightKDiff3 is not according to our users
  11. Diffchecker icon

    Diffchecker

     15 likes
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    Diffchecker Pro enables you to compare various types of content, on your desktop or directly in the browser.

    50 Diffchecker alternatives

    License model

    Application types

    Country of Origin

    • US flagUnited States

    Platforms

    • Mac
    • Windows
    • Linux
    • Online
    Compare text

    Diffchecker Features

    1.  Works Offline
    2.  Dark Mode
    3.  Syntax Highlighting
    4.  Image Comparison
    5.  Compare Text

    Diffchecker VS KDiff3

     
  12. Kompare icon

    Kompare

     12 likes
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    Kompare is a graphical diff and merge tool targeting developers. It allows users to compare two different text files or two directories. It is part of KDE Applications (and formerly part of KDE Software Compilation) and therefore primarily used on Linux and other Unix-like...

    57 Kompare alternatives

    License model

    • Free • Open Source

    Application types

    Country of Origin

    • DE flagGermany
    • European Union flagEU

    Platforms

    • Linux
    • KDE
    • Flathub
    Kompare screenshot 1

    Kompare VS KDiff3

     
  13. ExamDiff Pro icon

    ExamDiff Pro

     14 likes
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    ExamDiff Pro is a powerful, intuitive, and easy to use visual side-by-side comparison tool for comparing and merging text and binary files, and directories.

    46 ExamDiff Pro alternatives

    License model

    Application types

    Platforms

    • Windows
    File comparison

    ExamDiff Pro Features

    1.  Syntax Highlighting
    2.  Side-by-Side Comparison

    ExamDiff Pro VS KDiff3

     
  14. DeltaWalker icon

    DeltaWalker

     12 likes
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    Intuitive, multi-platform application for two and three-way visual file and folder comparison.

    43 DeltaWalker alternatives

    License model

    Application types

    Platforms

    • Mac
    • Windows
    • Linux
    DeltaWalker screenshot 1

    DeltaWalker VS KDiff3

     
12 of 55 KDiff3 alternatives