The Best 35 Diff Checker Alternatives

  • kdiff3

    KDiff3 is a file and directory diff and merge tool which compares and merges two or three text input files or directories, shows the differences line by line and character by character, provides an automatic merge-facility, has an editor...

    Free Open Source Mac OS X Windows Linux

  • Araxis Merge

    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.

    Commercial Mac OS X Windows

  • Compare

    comparison plugin for notepad++ editor.

    Free Open Source Windows Notepad++

  • Diffuse

    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.

    Free Open Source Mac OS X Windows Linux

  • mergely

    Merge is an online merge and diff tool that allows you to share and save your documents.

    Free Open Source Web

  • SmartSynchronize

    SmartSynchronize is a multi-platform file and directory compare tool. It allows you to compare files or perform 3-way-merges, both with the ability to edit the file contents.

    Free Personal Mac OS X Windows Linux

  • Kompare

    Kompare is a GUI front-end program that enables differences between source files to be viewed and merged.

    Free Open Source Linux KDE

  • Tkdiff

    tkdiff is a graphical diff viewer based on the Tk framework. It is capable of inter-operating with source-control systems like CVS and Subversion to show differences between a local copy and a repository version.

    Free Open Source Mac OS X Windows Linux BSD Cygwin

  • Folder Sync

    An application to help you keep multiple pairs of folders in sync, quickly and easily. View differences between pairs of folders on screen using user defined coloured coding.

    Commercial Mac OS X

  • DiffNow

    DiffNow lets you compare text files, documents, binary files, and archives up to 1024KB in size. You can either upload the files you wish to compare their content.

    Freemium Web

  • DiffFork

    DiffFork is a diff tool for Mac OS X. DiffFork can compare both folders and files, presenting differences in a visual format. * Block Guide and Scrolling in Sync. * Differences with Background Colors. * Visual Feedback. * Edit in Place.

    Commercial Mac OS X

  • DiffVue

    DiffVue is a diff tool, also known as a diff utility for Windows XP and Windows 7, and it lets users compare folders and files as well as ftp site's files against the local files by displaying differences visually.

    Commercial Windows

  • ECMerge

    ECMerge is a comparison and synchronization tool with two and three-way merge for text and folders and difference on binary, text, images and folders, locally, via FTP/S, SFTP or in version controls.

    Commercial Mac OS X Windows Linux