Diffchecker compares text, code, and data, either in a browser or with its desktop app.
Alternatives to Diff Suite
Code Compare is a file and folder comparison and merge tool available as a standalone app and a Visual Studio extension.
GNU Emacs is a free, extensible text editor built around an interpreter for Emacs Lisp.
- 4
UltraCompare
LinuxmacOSWindows7.1From $8.33 a month - 5

Diffract
Diffract is a desktop tool for comparing code, folders, documents and binary files side by side on Linux, macOS and Windows.
Free planLinuxmacOSWindows6.8$34, paid once - 6

Compare Suite
Compare Suite is a Windows file comparison tool for office professionals, software developers, and webmasters.
Free planWindows6.6$70, paid once - 7
Beyond Compare
Beyond Compare helps users inspect differences and merge changes across folders, text files, images, and tables.
LinuxmacOSWindows6.4$35, paid once - 8

DeltaWalker
DeltaWalker is a desktop application for comparing, synchronizing, merging, automating, and analyzing files and folders on Windows, macOS, and Linux.
LinuxmacOSWindows6.4$39.99, paid once - 9

Altova DiffDog
Altova DiffDog is a Windows desktop tool for comparing and merging files, directories, and database schemas or content.
Windows6.3$189, paid once - 10

Araxis Merge
Araxis Merge is a Windows and macOS application for comparing and merging files, plus synchronizing directory trees.
macOSWindows6.3$129, paid once - 11
delta
Delta is a free, open-source pager for Git and related command-line output, including diffs, grep, ripgrep JSON and blame.
Free planLinuxmacOSWindows6.3Free plan - 12
DiffMerge
DiffMerge is a desktop utility for comparing and merging files, as well as comparing and synchronizing folders.
LinuxmacOSWindows6.3$30, paid once - 13
Guiffy
Guiffy is a visual tool for comparing and merging source files and comparing folders, available for Linux, macOS, and Windows.
LinuxmacOSWindows6.3$24, paid once - 14
Kaleidoscope
macOS6.3From $0.67 a month - 15

KDiff3
KDiff3 compares and merges files and folders on Linux, macOS, and Windows.
Free planLinuxmacOSWindows6.2Free plan - 16
Meld
Meld is a free visual diff and merge tool for comparing files, folders, and version-controlled projects.
Free planLinuxWindows6.2Free plan - 17
ExamDiff Pro
Windows6.1$37.99, paid once - 18
Mergely
Mergely is a browser-based diff and merge editor, as well as a JavaScript library for comparing and merging text.
Free planWebAPISelf-hosted6.1Free plan - 19
SourceGear DiffMerge
SourceGear DiffMerge is a free desktop tool for visually comparing and merging files and folders on Linux, macOS, and Windows.
Free planLinuxmacOSWindows6.1Free plan - 20
Difftastic
Difftastic is a free command-line diff tool that compares files by syntax rather than line matching alone.
Free planLinuxmacOSWindows6.0Free plan - 21
Diffinity
Diffinity is a free Windows utility for comparing and merging text files, with folder comparison for reviewing differences across directories.
Free planWindows5.9Free plan - 22
icdiff
icdiff is a free, open-source command-line tool that shows differences between two files in a side-by-side terminal view.
Free planLinuxmacOS5.9Free plan - 23
Meld
Meld is a free, open-source desktop application for comparing files, directories and version-controlled projects.
Free planLinuxWindows5.9Free plan - 24
Kompare
Kompare is a free Linux graphical application for viewing and merging differences between source files.
Free planLinux5.8Free plan - 25

WinMerge
WinMerge is a free Windows application for comparing files and folders, displaying differences visually for merging.
Free planWindows5.8Free plan - 26
mergers
mergers is a free desktop tool for comparing and merging files and directories on Linux, macOS, and Windows.
LinuxmacOSWindows5.4 - 27

P4Merge
LinuxmacOSWindows4.9 - 284.4
